A plant leaf is an organ that traps light energy to make food. In what way is an animal stomach similar to a plant leaf? A. Both organs make food. B. Both organs are made up of several kinds of tissues. C. Both organs are made up of only one kind of cell. D. Both organs take in oxygen and release carbon dioxide.
An animal stomach is similar to a plant leaf because both organs are made up of several kinds of tissues. That is option B.
The plants make use the process of photosynthesis to manufacture their food.
Photosynthesis is defined as the process by which green leafy plants use inorganic substances ( sunlight and carbondioxide) to manufacture organic substances ( sugar which is food).
The organ used by plants to carry out this process is the leaf.
The leaf as a photosynthetic organ contains tissue called chloroplast which are used to trap the light energy that is used for photosynthesis.
Also the stomach of animals are lined with epithelial tissue of the mucous membrane which helps in the absorption of digested food substances.
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Homogeneous mixtures can only be chemically separated into their individual components.
True
False
the answer to the question is false
False. Homogeneous mixture cannot be separated by physical method of separation like fractional distillation.There is no means to separate homogeneous mixture chemically.A mixture is a physically combined substance that cannot be separated by chemical means.The compounds that are combination of one type of atom or molecule can only be separated chemically. For example in a sugar solution there is no means we can separate sugar and water chemically.
Nilgiri,Himalayan and Arabian are which type of animal
Nilgiri, Himalayan, and Arabian are types of mountain goats adapted to live in mountainous regions with specialized adaptations.
Explanation:Nilgiri, Himalayan, and Arabian are types of mountain goats. These goats are adapted to live in mountainous regions, where they have to navigate steep slopes and rugged terrain. They have specialized adaptations such as strong hooves for climbing and long, thick fur to keep them warm in cold climates.
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The allele for a widow’s peak has complete dominance over the allele for a straight hairline (w). What is the probability of a man with a straight hairline (ww) and a woman with a widow’s peak (WW) having an offspring without a widow’s peak?
Answer: i think is 75% chance
Explanation:
What kind of cell in the human body do you think would have more mitochondria a muscle cell or skin cell? Explain your answer.
What body part of the Galápagos finches appears to have been modified by natural selection?
Is it better for a cell to have a large surface area to volume ratio or a small surface area to volume ratio.
A) Small: Because the cell has more contact with its surroundings.
B) Small: Because a cell with more volume has more space for its organelles.
C) Large: Because the cell has less contact with it surroundings.
D) Large: Because the cell has more contact with its surroundings and can better take in nutrients.
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In which environment would someone most likely find a living protist?
A on the outer layer of human skin
B inside a layer of rock
D underneath sand
C in a drop of lake water
The structure of a substrate P strongly resembles substrate Q. In an experiment, By mistake P was used instead of Q as a substrate for the enzyme, Q-ase. The results obtained were identical to the results that would have been obtained using substrate Q. Why did substrate P work in place of substrate Q?
C) P and Q have similar binding properties
Explanation;Enzymes are biological catalysts that speeds up chemical reactions. Substrates are substances that are acted on by an enzyme to form a product.An enzyme catalyzed reaction occurs when the substrate binds to the active site of an enzyme to form and enzyme-substrate complex. Substrate P and Q are structurally similar which means they are in a position of binding and fitting in the active site of an enzyme. The strong structural similarity means that the binding properties of these two different substrates may be similar. Formation of similar products or results when acted upon by an enzyme mean they are similar in terms of their binding properties, and thus the production of similar product. A reasonable speed for a snail is _____.
A. 2 mm/s
B. 2 m/s
C. 2 km/min
D. 2 km/hr
A, the others are unrealistic speeds.
all ecosystems are made up of _______ and ______ components
What practice would probably NOT reduce the greenhouse effect?
Answer:
Answered
Explanation:
Practices that would probably not reduce the greenhouse effect are
1. Use of aerosols containing CFCs.
2. Use of greenhouse gases in refrigeration and conditioning.
3. Use of convectional fuels that emit carbon dioxide as exhaust.
4. Indiscriminate cutting of trees, to contribute to cooling of the atmosphere.
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How do Global Positioning Systems use elevation points on Earth's system to find latitude and longitude?
in this process, which occurs in plants and animals, sugar and oxygen join to produce water, carbon dioxide, and energy. what is this process?
Answer:
This proccess is known as Photosynthesis
Explanation:
Photosynthesis occurs in plants where they then combine water and carbon dioxide to make sugars with is what plant use as food.Plants also give off oxygen during this process.
Can someone plz help me with these 3 new and last questions!! Will give brainliest for right answers!! Thanks!!
11. To find the volume of a few small marbles, a student will need which of the following scientific tools?
A. a balance and a centimeter ruler 3.0
B. a spring scale and a calculator
C. a graduated cylinder and water
D. a microscope and a micron ruler
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12. A student includes the following sentence in a write-up of their investigation: The lead ball has a measured mass of 113 grams. Which kind of scientific statement is this sentence?
A. inference
B. prediction
C. conclusion
D. observation
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13. Some students measure the mass of a small pile of leaves before and after the leaves decompose. Each time the students measure the mass, they place a container with the decomposing leaves on a balance. Before recording the mass of the leaves, the students must do which of the following?
A. Subtract the mass of the container
B. Add leaves from other plants to the container
C. Allow the leaves to settle in the container for a few days
D. Use a metric ruler to measure the volume of the container
A scientist has discovered a new gene in oysters. Oysters with the dominant allele for disease resistance 'R' have been found to tolerate polluted waters better than oysters with the recessive 'r' allele. What term is used to describe an oyster that has two identical dominant alleles (RR) for this gene?
A) genetic hybrid
B) homozygous dominant
C) heterozygous dominant
D) heterozyous recessive
the answer is B I believe
The right answer is B) homozygous dominant
We speak of homo / heterozygosity about a locus, that can be represented by several alleles (version). The alleles are dominant or recessive between them.
*So homozygote: same alleles
*heterozygote: different alleles
Consider a locus and 2 alleles:
allele R: dominant
allele r: recessively
*heterozygote: R / r
*homozygous recessive: r / r
*homozygous dominant: R / R
when scientists refer to the DNA to RNA to proteins pathway, the RNA part of that pathway really represents three different types of rna: messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). how is each type of RNA important to protein production
The main activity of RNA is to develop proteins through the process of translation. The three RNAs that takes place in the synthesis of proteins are mRNA, rRNA and tRNA.
• The process of developing the molecules of proteins is known as protein synthesis. In biological terms, it comprises the synthesis of amino acids, translation, transcription, and post-translational events.
• The mRNA or the messenger RNA is transcribed from DNA and carries information required for the synthesis of protein.
• At the time of translation, the tRNA or the transfer RNA carry particular amino acids to the ribosome.
• The rRNA or the ribosomal RNA performs the function in the synthesis of the ribosome, that is, the location where translation process takes place.
Thus, the three RNAs, that is, mRNA, tRNA and rRNA performs an essential function in the synthesis of proteins.
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George Mendel is referred to as the father of which classical science?
A/An _______ is characteristic of children at age five.
A. choice of same-sex playmates B. understanding of the ramifications of one's actions C. desire to play with children of different ages D. awkwardness with emerging motor skills
describe two types of living things that biologists could study
Biologists could study plants and animals.
What are the differences between plants and animals?Plants and animals both are living things.Plants remain rooted in one spot while animals frequently roam around. Animals consume their food, whereas plants use sunlight to produce the energy they require.Animal cells are surrounded by a thin, permeable membrane that allows for the absorption of external chemicals, but plant cells are enclosed by a solid cell wall that helps maintain plants rigid and erect. Additionally, the inner-cellular structures known as organelles are different in plant and animal cells. Cilia are protrusions that resemble hairs and are seen on some animal cells. Cilia aid in cell movement. Plant cells lack cilia.Plastids are present in the plant cells. These organelles, which are absent from animal cells, hold food or pigment and are essential for photosynthesis.Learn more about plant and animal cells here:
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What features of development indicate that echinoderms and chordates are more closely related to each other than they are to other animals
The features of development which indicate that echinoderms and chordates are more closely related to each other than they are to other animals are:
Their phyla belongs to the Deuterostomia clade of bilaterian animals.What is a Feature of Development?This refers to the characteristics which are good indicators that a particular species are progressive and can survive extinction and reproduce.
With this in mind, we can see that echinoderms and chordates are closely related because of their phyla which belongs to the deuterostomia clade of bilaterian animals.
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The presence of deuterostome development, characterized by the formation of the anus before the mouth during embryonic development, is a key feature shared by echinoderms and chordates, indicating their closer evolutionary relationship compared to other animal groups.
Animals can develop along either of the two main developmental paths during embryonic development: the protostome or the deuterostome. Deuterostome development is seen in both chordates, which include vertebrates like fish, amphibians, reptiles, birds, and mammals, and echinoderms, which include sea stars, sea urchins, and sea cucumbers. The blastopore, the early gastrula stage's aperture, develops into the anus in deuterostome development, with the mouth forming later. This pattern differs from protostome development, in which the anus forms secondary to the blastopore, which develops into the mouth. The shared deuterostome development between echinoderms and chordates suggests a closer evolutionary relationship between these two groups compared to other animal phyla, such as arthropods (like insects and crustaceans) or mollusks (like snails and clams), which exhibit protostome development. This developmental similarity is considered a strong indicator of shared ancestry and evolutionary relatedness.which of these components of a cell functions like the digestive system in the human body,endoplasmic reticulum,golgi apparatus, mitchondria, plasma membrane
The number of atoms changes during a chemical reaction.
True
False
What occurs in a chemical reaction?
elements in the same column down and have similar qualities belong to the same
When a material changes size as a temperature changes, it is called _____
Final answer:
Thermal expansion is the term used to describe the change in size of a material due to temperature changes. It happens because of the increase or decrease in the kinetic energy of particles within the material. As temperature rises, substances expand in length, area, and volume, while they contract when cooled.
Explanation:
When a material changes size as a temperature changes, it is called thermal expansion. Thermal expansion is the increase, or decrease, of the size (length, area, or volume) of a body due to a change in temperature. For most substances, an increase in temperature usually results in an expansion, while a decrease in temperature can cause a contraction. This property is significant because it affects various applications and structural designs, such as bridges and railroads which have expansion joints allowing them to freely expand and contract with temperature changes.
The fundamental cause of thermal expansion is the increase in the kinetic energy of the atoms or molecules within a substance as the temperature rises. As materials are heated, they tend to expand in all dimensions; their lengths, areas, and volumes increase. This is true for solids, liquids, and gases, with gases experiencing the largest expansion relative to their size. Similarly, when the temperature drops, substances generally contract as the kinetic energy of their particles decreases.
Suppose the number of organisms in one population in a community suddenly increases. Predict what might happen, and explain why.
How much of the sun's energy is reflected back into space?
10 percent
20 percent
40 percent
60 percent
Answer: 40%
Explanation:
I got this right on a quiz
I listened to the other guy and it was wrong
I should have gone with my gut
A human cell has 5 glucose molecules, 2 pyruvate molecules and 1 acetyl-CoA. If oxygen is not available, how many ATP would be generated when the cell wants to use these different molecules to generate energy?
what would happen if the cell membrane were not selectively permeable? support your answer.