An olfactory stimulus travels from a receptor to the ________.
The olfactory stimulus travels from a receptor to the olfactory bulb, which is located at the tip of the frontal lobe. From there, the information is sent to regions of the limbic system and the primary olfactory cortex.
Explanation:The olfactory stimulus travels from a receptor to the olfactory bulb. The olfactory receptor neurons, located within the olfactory epithelium in the nasal cavity, send signals to the olfactory bulb which is a bulb-like structure at the tip of the frontal lobe where the olfactory nerves begin. From the olfactory bulb, information is sent to regions of the limbic system and the primary olfactory cortex.
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Which best describes the modern classification system
Which of the following statements is true? a)During active transport, a material may be moved from an area of low concentration to an area of high concentration. b) During passive transport, energy is used to move material against a concentration gradient. c)During active transport, water is pumped across a membrane to equalize the concentration of salts on both sides. d)During passive transport, osmosis allows salts to move from one side of the membrane to the other to equalize concentrations on both sides.
discuss whether or not the steps of the scientific method must be carried out in a specific order and whether or not every scientific endeavor must include all seven steps
What is the difference between scientific knowledge and knowledge acquired "unconsciously"?
How does the density of ice compare to that of liquid water and why is that property important to aquatic organisms
Answer:
B
Explanation: The density of ice is lower than that of liquid water, which means that ice forms from the top of lakes downward, protecting aquatic life in winter.
Which unit of measurement is used in the metric system?
Tons
Kilograms
Miles
Gallons
Answer:
Killograms i believe anyway
Explanation:
The unequal distribution of charges across the cell membrane results in the ______________.
Hypersecretion of glucocorticoids, often caused by a tumor, results in ________.
What is the difference between a producer and a consumer in a marine food chain?
A.) Producers break down dead organisms, whereas consumers eat other organisms.
B.) Producers eat other organisms, whereas consumers make their own energy. C.) Producers eat other organisms, whereas consumers break down dead organisms.
D.) Producers make their own organic molecules, whereas consumers have to eat other organisms.
Answer: D.) Producers make their own organic molecules, whereas consumers have to eat other organisms.
Explanation:
A food chain is a sequence of transfer of food and energy when one type of organism is eaten by another type of organism. A marine ecosystem typically comprises of aquatic plants and animals.
Among the options given, D.) Producers make their own organic molecules, whereas consumers have to eat other organisms. is the correct option this is because of the fact that producers are able to conduct the process of photosynthesis in order to produce their food in the form of organic molecules such as glucose to obtain energy. But consumers are incapable of producing their food hence, they are dependent on other organisms for obtaining their food like plants or other animals.
Producers (or autotrophs) in a marine food chain create their own energy, often through photosynthesis, while consumers (heterotrophs) rely on consuming other organisms for their energy and nutrients. Producers can include organisms like phytoplankton, while consumers can range from fish and seals to whales.
Explanation:In a marine food chain, the terms producer and consumer indicate the role organisms play in the energy flow of the ecosystem. Producers, also known as autotrophs, are organisms that can make their own energy or organic molecules, mainly through the process of photosynthesis. An example of a producer in a marine ecosystem is phytoplankton.
On the other hand, consumers, also known as heterotrophs, cannot make their own food. They rely on other organisms for their energy and nutrients. Consumers eat other organisms to gain energy. These may include herbivores, carnivores, and omnivores. Fish, whales, and seals are examples of consumers in marine ecosystems.
So, to answer the question, option D is correct. Producers make their own organic molecules, whereas consumers intake energy by eating other organisms.
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(Marine science honors)
Explain why ocean acidification seems to be speeding up, give specific examples.
How has agriculture affected nitrogen cycling? what are some negative consequences of nutrient enrichment?
Final answer:
Agriculture has greatly impacted nitrogen cycling, mainly through nitrogen fixation from synthetic fertilizers and legume cultivation, leading to nutrient enrichment and eutrophication in aquatic ecosystems, which cause ecological imbalances and water quality issues.
Explanation:
Impact of Agriculture on Nitrogen Cycling
Agriculture has significantly affected nitrogen cycling by increasing the amount of nitrogen fixation through the use of synthetic fertilizers and the cultivation of legumes like soybeans and alfalfa. Such agricultural practices have led to nutrient eutrophication in aquatic ecosystems, as excess nitrogen from fertilizers washes into water bodies, promoting algae blooms. These blooms consume oxygen and can lead to hypoxia, or low-oxygen environments, which can be detrimental to aquatic life.
Negative Consequences of Nutrient Enrichment
Nutrient enrichment can have several negative consequences including ecosystem imbalance due to increased algal growth, reduction in water quality, and the creation of "dead zones" where aquatic life cannot survive due to lack of oxygen. Eutrophication from agriculture run-off is a significant factor in this process, altering the food web and impacting the health of both the environment and human populations reliant on water bodies for drinking water and recreation.
Biologists find _____ useful because this scientific study gives them much information about an organism based on its classification.
What is the name given to the branch of science that pertains to the composition of matter and the changes that matter undergoes?
a. biology
b. chemistry
c. physics
d. physical science?
How the process of natural selection canexplainhow evolution occurs?
A nurse is caring for an older adult who was admitted to the hospital to be treated for dehydration. while the nurse is providing discharge teaching, the client says, "what should i do about my dry skin? it is so itchy." what is the best response by the nurse?
The development of sensory and motor symptoms in multiple sclerosis is caused by
Carbohydrates are an important type of
An area in the _______ called the ___________ is specialized to recognize faces.
a. occipital lobe; rbc
b. temporal lobe; ffa
c. parietal lobe; ffa
d. parietal lobe; area 4h
Why is a hypothesis called an educated guess?
These are protein based substances secreted by endocrine glands which serve as chemical messengers in response to altered conditions in the body
Someone who has broken an arm and has had a cast on it for months will notice a distinct shrinking of the arm once the cast is removed. why does this happen?
How can you tell a biological molecule is a lipid?
The point of contact between a motor nerve and an individual muscle cell is called the ________.
A scientist agrees with the scientific consensus that dinosaurs have scaly skin. Then he discovers a new fossil that indicates a dinosaur had feathers. The scientist refuses to consider the new evidence because it does not agree with the accepted ideas. The scientist is
Determine the relative ages of rocks based on a geologic cross section.
When is a model useful in scientific investigations?
What would be the effect of the transfer of glyphosate resistance from a transgenic crop plant to a weed plant?
Explain what diversity means in biology
Final answer:
Diversity in biology refers to the variety of life, including the genetic variation within species, diversity of species, and diversity of ecosystems, all driven by the process of evolution.
Explanation:
Diversity, often referred to as biodiversity, in biology, means the variety of life in all its forms. It encompasses three broad categories: genetic diversity within a species, the diversity of species themselves, and the diversity of ecosystems. Genetic diversity is crucial for species' adaptation to local conditions, evident in the variety of crop types. Species diversity measures the number of different species in an ecosystem or on Earth, contributing to the complexity of life. Finally, ecosystem diversity spans different living environments, from forests and deserts to oceans and freshwater systems.
Evolution is the driving force behind this diversity, allowing species to adapt and evolve over time, giving rise to the wide array of structural forms, physiological mechanisms, and ways of life we see. The greater the genetic diversity within a species or among species, the higher the potential for adaptation and survival amid changing environmental conditions.
Which of the following pairs share similar chemical properties?
Select one:
a. oxygen (O) and Chlorine (Cl)
b. Helium (He) and Hydrogen (H)
c. Fluorine (F) and Neon (Ne)
d. Bromine (Br) and Iodine (I)