Cell wall and Chloroplast
Answer:
Cell walls and chloroplasts
Explanation:
Cell walls and chloroplasts are found on plant cells not in animal cell
Match the characteristics to the blood vessels.
Answer:
Arteries transport blood away to the different parts of the body from the heart. Arteries are the largest blood vessels in the whole body with elastic walls.
Hence arteries match with carries blood away from the heart and largest blood vessel in diameter
Capillaries take blood from various parts of the body. It exchanges nutrients, oxygen, and waste with tissues or cells. These are the smallest blood vessels.
Hence capillary matches with exchanges nutrients with tissues and single walled.
Veins transport the blood to the heart from the body. These vessels have a thin endothelial layer.
Hence Vein matches with carries blood to the heart and has a thin endothelial layer.
characteristics of different blood vessels:Artery: They carry blood away from the heart. They have thick, elastic walls to cope with the high pressure of blood from the heart. They are not very flexible and have a narrow lumen (central space).
Vein: They carry blood towards the heart. They have thinner walls and less elastic fibers than arteries. They have valves to prevent blood from flowing backward. They have a wide lumen (central space).
Capillary: They are the smallest blood vessels. They have a thin wall that only allows for the exchange of gases, nutrients, and waste products between the blood and body cells. They are found throughout the body and link arterioles and venules.
Learn more about Artery Visit : brainly.com/question/64497
#SPJ11
Two species of shorebirds are both adapted to live in coastal marshes. One species outcompetes the other for the small fish that live within one niche in the marsh. What is likely to happen to the other species of birds?
Answer:
The population of other specie of birds will decline or other specie of birds will find some alternate source of food to survive.
Explanation:
According to the Competitive exclusion principle, which is also known as Gause's Law, two specie living in the same niche and feeding on the same resource cannot co-exist stably.
As we have well studied the theory of natural selection which states that only those organisms survive which have better tendency to compete for food and adapt to the environmental conditions.
Coming towards the question, what wi ll happen when One species outcompetes the other for the small fish , the other specie will not get enough food and will start to die or decline in population. Eventually either other specie needs to find another alternative food source for itself or migrate at some other location where there is less competition otherwise it will just not exist anymore at that niche.
Hope it help!
Green and brown algae share many common features. Both have pigments for trapping sunlight and use photosynthesis for energy. Both store their food as sugars. Both have cell walls and plant-like bodies. However, their DNA suggests that they are not even remotely related to one another. Green algae and brown algae show __________________ evolution, since they look similar, but are not close relatives.
Answer:- Convergent
Explanation :-
Convergent evolution is the process in which the organisms that are not closely related evolve independently in such a way that they acquire similar traits due to similar environment in which they live or the ecological niche that they occupy. Such structures that result from convergent evolution are called as analogous structures, which perform similar function but have different origins. Convergent evolution can be distinguished from parallel evolution in the fact that in parallel evolution similar traits develop in different species which shared a common ancestor and hence, are closely related.Thus, since the brown and green algae look similar but are not close relatives they show convergent evolution.
What happens after mRNA is transcribed? mRNA becomes part of the nucleolus. mRNA enters the cytoplasm and moves to a ribosome. mRNA leaves the cytoplasm through the cell membrane. mRNA remains in the nucleus and creates a protein
Answer:
mRNA enters the cytoplasm and moves to a ribosome.
Explanation:
Which of the following is not a problem associated with dams?
changes to waterways ecosystems.
economic advantages.
siltation behind the dam.
Dam maintenance and breaks.
Dams are not associated with economic advantages.
Dams DO associate with changes to waterway ecosystems, siltation behind the dam, and dam maintenance and breajs,
what happens during the lytic cycle?
a) The host cell makes copies of the virus.
b) The capsid becomes a cell membrane.
c) The viral DNA hides for years.
d) The virus evolves into a cell.
The correct answer is A. The host cell makes copies of the virus.
Hope this helps!! (:
Which statement describes potassium-argon dating?
Potassium-argon dating is a method used by geologists to date rocks and minerals. It is based on the decay of isotope potassium-40 to argon-40. It is accurate due to the slow decay rate of K-40 which allows dating of very old materials.
Explanation:Potassium-argon dating is a method used by geologists and archaeologists to date rocks and minerals. It is based on the decay of the isotope potassium-40 (K-40) to argon-40 (Ar-40). The time of decay is set to be the ‘age’ of the rock or mineral. The accuracy of this method is high due to the slow decay rate of K-40, which makes it suitable for dating materials that are millions or even billions of years old.
In this method, the sample is first liquified in a vacuum to drive out any argon gas. It is then reheated in a vacuum and the gas that is given off is measured to determine the amount of Ar-40. The remaining solid sample is also analyzed to determine the amount of K-40. The date of the sample is then calculated based on the ratio of these two isotopes.
Learn more about Potassium-argon dating here:https://brainly.com/question/31720733
#SPJ6
Which type of substances serves as a catalyst for reactions that break large food molecules into smaller useful molecules
Enzymes serve as catalyst that breakdown large substance into smaller molecules. Enzymes are proteins that function as biological catalysts to speed up chemical reactions in an organism.
Answer:
Enzymes.
Explanation:
Enzymes are the substances which play the role of catalysts in bio-chemical reactions. These enzymes are proteins and play a very important role in glycolysis stage of cellular respiration in which large food molecule like glucose is broken down into smaller useful substance like pyruvate. Some enzymes which participate in glycolysis are phosphofructokinase, enolase, pyruvate kinase etc. This pyruvate is further converted into even smaller molecules like Acetyl-CoA which enters the next stage of cellular respiration known as TCA cycle.
TCA cycle produces many intermediates (molecules) which are useful for other bio-synthetic pathways in the body. For example: Alpha-ketoglutarate which is an intermediate of TCA cycle is used in the synthesis of many amino acids like glutamine, proline, and arginine.
What type of organic molecule will be created if alanine bonded with many other amino acids such as serine and glycine
Ans.
The organic molecules that formed by the amino acids are known as proteins. Each amino acid binds with other amino acid with the help of peptide bond between amino group of one amino acid and carboxylic group of another amino acid.
Thus, 'when alanine binds with other amino acids, such as with glycine or serine, a protein molecule will formed.'
Alanine bonded with amino acids like serine and glycine forms a polypeptide. This molecule is linked by peptide bonds through a dehydration synthesis reaction, and its sequence determines its structure and function.
Explanation:When alanine is bonded with many other amino acids, such as serine and glycine, the organic molecule created is a polypeptide. A polypeptide is a long chain of amino acid residues linked together by peptide bonds. Each amino acid is attached to the next by a dehydration synthesis reaction, releasing a molecule of water and forming the peptide bond. The sequence in which these amino acids are linked determines the primary structure of the polypeptide. For example, the sequence Gly-Trp-Ala is distinct from Ala-Trp-Gly because the location of the free amine and carboxyl groups would be different. The polypeptide can fold into complex shapes to form proteins which have variable functions, depending on their amino acid sequence and resultant three-dimensional structure.
what features set early hominins apart from other primates
Bipedalism, tool making and use, and a larger brain were the key differences between early hominids and other primates.
why is there a much larger number of grass than snakes or hawks?
The prey will always out number the predator. This keeps the food chain going.
The prey will most times outnumber the predators it controls the energy levels of the food chain
what is the difference between variation and adaptation?
An adaptation is an inherited trait that increases an organism's chance of surviving and reproducing in its environment.
An adaptation is an inherited trait that increases an organism's chance of surviving and reproducing in its environment.
Thus, A heritable behavioral, morphological, or physiological characteristic that has developed through natural selection that preserves or improves an organism's fitness under a certain set of environmental conditions is referred to as adaptation.
Biological fitness, which controls the rate of evolution as indicated by changes in gene frequencies, is related to adaptation. When two or more species develop adaptations that interact with those of the other species, like with flowering plants and pollinating insects, they frequently co-adapt and co-evolve.
Features that have developed for one use may be coopted for another, as was the case with dinosaurs' insulating feathers and adaptation.
Thus, An adaptation is an inherited trait that increases an organism's chance of surviving and reproducing in its environment.
Learn more about Adaptation, refer to the link:
https://brainly.com/question/12534888
#SPJ2
what is the function of the optic chiasm?
It helps with the optic nerve, if you give me options i can help answer. Sorry if I didnt help :)
Final answer:
The optic chiasm is where the optic nerves from each eye meet and cross, allowing for the correct sorting of visual information to the opposite hemispheres of the brain, which is crucial for coordinated binocular vision and peripheral field perception.
Explanation:
The optic chiasm is a crucial neurological structure responsible for the proper processing of visual information. The optic nerves from both eyes enter the brain and intersect at the optic chiasm, an X-shaped structure located just beneath the cerebral cortex. This arrangement is pivotal for the sorting of visual information. At the optic chiasm, the nerve fibers carrying information from the right half of the visual field of both eyes project to the left side of the brain, while fibers carrying information from the left visual field project to the right side. This crossing of fibers allows for the coordination of visual information and is essential for binocular vision. Moreover, this decussation of nerve fibers is imperative for processing peripheral vision, as the medial retinae—which provide the peripheral visual input—cross over at this point.
Any damage to the optic chiasm can lead to deficits in visual field perception, such as loss of peripheral vision, which could be caused by a pituitary tumor pressing on the chiasm. Understanding the function and the potential implications of damage to the optic chiasm can thus be critical for diagnosing visual pathologies.
______ is a nonliving part of an ecosystem that gives plants the energy they need to make food. A) sunlight B) a germ C) wind D) oxygen gas
The answer is: A) sunlight.
Which important complexes form due to complementary binding at the enzyme active site
"Substrate product complex" is the important complex among the choices given in the question that is formed due to complimentary binding at the enzyme active site. The correct option among all the options that are given in the question is the third option or the last option. I hope the answer helped you.
Why do siblings look and behave differently from each other?
Why? Because each child has different traits and genes from each parent.
-TheOneandOnly003
Because they are not alike in the mind, and have different traits and they have different thoughts.
What is the major difference between the saturated and unsaturated zones
Saturated Zone
[ Completely full of water ]
Unsaturated Zone
[ The pore spaces are not completely full of water ]
The groundwater resource is divided into saturated and unsaturated zones. The saturated is characterized by the water filled in pores, whereas unsaturated is by incompletely filled space.
What are saturated and unsaturated zones?Saturated zones are the division of the groundwater that is found below the rocks and water table. The rocks and the pore space found in this zone are characterized by completely filed water spaces. The fractures and pores of this zone emerge in the groundwater.
The unsaturated zones are found above the saturated zones and just below the soil and land surfaces that are characterized by impartial water spaces. The pores and spaces of this zone are not totally filled with water.
Therefore, the saturated and unsaturated zones differ in water spaces.
Learn more about saturated and unsaturated zones, here:
https://brainly.com/question/19132889
#SPJ6
If 8.0g of H2 reacts and 72g of H2O is produced how much O2 is consumed in the reaction
Answer:
64 g of O₂ is consumed in this reaction.
Explanation:
Mass of H₂O = 72 g
Mass of H₂ = 8 g
So, mass of O₂ consumed = mass of H₂O - mass of H₂ = 72 - 8 = 64 g
64 g of O₂ is consumed in this reaction.
In a 1-dimensional coordinate system, which of these is an example of an object's position?
A. west
B. south
C. (4, -3)
D. 3 blocks east
Answer:
The correct option is D. 3 block east
Explanation:
According to the coordinate system, one dimensional coordinate system is a coordinate system in which there is only one dimension (X). For example, in the option D, there is only one dimension whose value is 3.
According to the coordinate system, a two coordinate dimensional system is a coordinate system in which there are two dimensions (X, Y). For example, in the option C, there are two dimensions 4 and -3.
Answer:
D. 3 blocks to the east
Explanation:
Calculating coordinates in a single mathematical dimension means plotting points along a single axis. How to calculate coordinates in a single dimension that starts from zero and then moves in the positive direction (1, 2, 3, 4, 5 ... etc), or in the negative direction (0, -1, -2, - 3, and so on) ))) which is right next to the origin.
From the above answer, 3 blocks to the east indicate from zero moving east which means left or positive direction so the next value is 3.
#AnswerForTrees
which of the following statements best describes what happens during the S phase of the cell cycle?
The S phase of the cell cycle is when DNA replication occurs, resulting in two identical copies of each chromosome (sister chromatids) and the duplication of the centrosome.
Explanation:The S phase, or synthesis phase, of the cell cycle involves the replication of DNA. This is significant because when a cell divides, it is essential that each new cell possesses an exact copy of the DNA. During the S phase, mechanisms result in DNA replication and the formation of two identical copies of each chromosome, known as sister chromatids, firmly attached at the centromeric region. The centrosome, which plays a vital role in dividing the chromosomes during mitosis or meiosis, is also duplicated during the S phase. In animal cells, centrosomes are associated with a pair of rod-like structures known as centrioles, which organize cell division. It is important to note that centrioles are not present in the centrosomes of several eukaryotic species, including plants and most fungi.
Learn more about S phase of the cell cycle here:https://brainly.com/question/29768999
#SPJ12
During the S phase of the cell cycle, DNA replication occurs, resulting in identical pairs of DNA molecules known as sister chromatids. The centrosome, which aids in chromosome movement during mitosis, is also duplicated during this phase.
Explanation:The statement that best describes what happens during the S phase of the cell cycle is that it involves the process of DNA replication. In the S phase, DNA replication can proceed through the mechanisms that result in the formation of identical pairs of DNA molecules-sister chromatids-that are firmly attached to the centromeric region. The centrosome is also duplicated during the S phase, giving rise to the mitotic spindle, the apparatus that orchestrates the movement of chromosomes during mitosis.
The S phase is vital to the cell division process as it ensures that each daughter cell receives an identical and complete set of DNA. It should be noted that although DNA replication is the central event in the S phase, many other biochemically active processes occur including cell growth and protein synthesis.
Learn more about S phase of the cell cycle here:https://brainly.com/question/29768999
#SPJ12
Why do living organism need energy
they need energy because there cells need to reproduce
Living organisms need energy for growth, maintenance, and work to carry out essential functions. Energy is acquired through metabolic pathways and food webs.
All living organisms need energy to grow and reproduce, maintain their structures, and respond to their environments.
Organisms require energy for growth, maintenance, and to perform work such as movement, essential for their livelihood. Energy powers various processes at the cellular level, enabling organisms to assemble macromolecules and maintain their organized states.
Living things acquire energy through metabolic pathways, ATP, and food webs, illustrating how energy flows through ecosystems.
Which survivorship strategy is used by the type II species?
Answer:
Type II species include mice, birds and other similar organisms that have constant survivor ship rates as well as mortality rates during the whole period of their expected life/
If we look at survival ship curve of type II species as depicted in attached figure, we can see that it shows a constant slope and contains a straight line. The slope is in such a way that with the passage of time it decreases till reach zero.
The survival ship strategy used by type II species is this that they lie somewhere between semelparous ( comprised by single reproductive episode before death) and iteroparous (comprised by multiple reproductive cycles throughout the lifetime).
They have a probability of dying at constant level therefore they adopt a strategy in between of having more than one and less than multiple reproductive cycle throughout their life. In this way, they maximize their survival span.
Hope it help!
Dying in equal numbers throughout life
HELP!! I'M SOBBING!
Water is important to living creatures. They need water to move nutrients into cells and to help them move wastes and toxins out of the body.
How do living animals obtain their water?
A) bathing
B) drinking
C) rain
D) swimming
It is B. Living animals obtain their water from drinking.
Aggression that develops when the animal is confused about what the owner wants is _______ aggression
Aggression that develops when the animal is confused about what the owner wants is conflict-related aggression.
Explanation:
Most behaviourists show the dominance aggressive action is normally referred as Conflict-related aggression. In general, when aggressive action passes to dog’s owner if dominant dog is internally confused or threatened the social position called dominance aggression.
There are many types of aggression, some are pain-related, territorial, conflict-related, etc. In that, conflict-related aggression is usually directed at a known person. It is happened by internal conflicts and presented in the context of interactions.
Which change of state occurs at 100 °C when heat energy has been added to liquid water?
A. boiling
B. melting
C. freezing
D. condensing
A. boiling, because once liquid water is added with heat energy, it causes a reaction of water to bubble; common in cooking.
Which is true about the sequencing of the human genome and the Neanderthal genome?
-Humans have had only their mitochondrial genome sequenced, but Neanderthals have had only their nuclear genome sequenced.
-Both species have had only their mitochondrial genome sequenced.
-Both species have had their nuclear genome sequenced.
-Humans have had their nuclear genome sequenced, but Neanderthals have had only their mitochondrial genome sequenced.
PLZ HELP
in what soil layer does an earthworm live? explain your answer
They live in the topsoil layer
Answer: Topsoil
Explanation: Topsoil is the layer with the most organic material, and the most aerated. Worms are actually a critical ingredient for the formation of this layer and if they go deeper, it is too dense for worms to burrow.
You breed together a bean plant that has really long, skinny beans and a been plant with really short, fat beans. The offspring end up having medium length, medium width beans. This would be an example of what type of inheritance.
Answer : incomplete dominance
Explanation:
For a given trait, there are basically two types of alleles that are present. One allele is the dominant one and the other is recessive. Generally , the phenotype of an individual corresponds to the one coded by the dominant allele when both the alleles are present for a given trait, that is if a heterozygous condition is there. However, in some cases the dominant allele is not completely dominant over the recessive allele.When the dominant allele is not completely dominant then under heterozygous condition the phenotype expressed is a blend of the phenotypes expressed by both the alleles. For e.g if a red flower is crossed with white flower and we get a pink flower we can say that the allele shows partial dominance over the other. Similarly in the given question, the dominant allele is partially dominant over the recessive allele thus, a blended phenotype appears in the progeny. Such type of inheritance is known as incomplete dominance, partial dominance or semi dominance.What kind of density current is caused by a muddy, rapidly flowing mixture of sediment and water.
A turbidity current
it is sort of like a mud slide
What role do specialized cells perform in establishing homeostasis? Specialized cells work independently to perform their specific functions. Specialized cells work only as a team to perform the functions of the body. Specialized cells work independently as well as in a team to perform the functions of the body. Specialized cells in the body perform all the functions that are necessary to maintain homeostasis.
Specialized cells work independently as well as in a team to perform the functions of the body.
Specialize cells are cells that are similar in their organizational structure but differ in shape, size and designed to perform specific functions depending on their role in the body. Thus, each of these cell types are formed and operates differently, ensuring that the cell can carry out the necessary body function that it is intended to complete.