BIOLOGY HIGH SCHOOL

A student drew the following model.Carbon dioxide + Water--(Light)-->Sugar + Oxygen
What does the model represent?

A. How plants transform light into stored chemical energy
B. How energy is released from sugar molecules
C. How the sun delivers thermal energy to earth
D. How bacteria transform nitrogen into a usable from

Answers

Answer 1
Answer:

Answer: The correct answer is-

A. How plants transform light into stored chemical energy.

The given equation in the model of the represents word equation for photosynthesis.

Photosynthesis is a process of formation of food ( that is a carboydrate)  in green plants and algae using CO2 (carbon dioxide) and H2O (water) in the presence of sunlight.

During this process, a green pigment in the chloroplast called chlorophyll, absorbs solar energy and converts it into chemical energy in the form of ATP and NADPH.

In the next phase, which is a light independent phase ,the chemical energy is utilized in the formation of glucose, which is a food molecule for green plants and algae.

Thus, option A) is the right answer.
Answer 2
Answer: Answer is A (aka photosynthesis)

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How do cells in the ovary detect a hormone from the brain?

Answers

By receptors on these cell that recognizes the hormones

A group of animals have short narrow legs that are partly webbed in which environment do these animals MOST LIKELY live

Answers

Here are the choices for the question stated above:
a.deserts b.grasslands c.mountains d.rainforests

The answer would be letter d. rainforests.
Basing on the animals' webbed foot, it should mean that these animals are good swimmers. Thus, webbed foot enables effective propulsion in water.

Answer:

The answer is D

Explanation:

About 500 million years ago, trilobites such as this were common ______________ that once covered much of Indiana. Violent storms often occurred in the same area and the trilobites were covered quickly by sediment, hidden for hundreds of millions of years.A) along riverbanks
B) in the sandy plains
C) in warm, shallow seas
D) throughout the mountains

Answers

The answer is C) in warm, shallow seas.

About 500 million years ago, many multicellular organisms lived in the seas. It was a rich life in shallow, warm, and continental seas. The climate was favorable. Reef-forming corals, as well as the first true vertebrates, some fish, appeared. Trilobites were diverse and rich. The name trilobite means three lobes in which their body is divided. They lived in warm shallow seas. They avoided a great extinction of species in that time before they were covered by sediment.

Answer:

C. warm, shallow seas

Explanation:

I took the quiz. it was the right answer.

The two main processes by which plant cells absorb, release, and use energy area. fermentation and respiration.
b. digestion and photosynthesis.
c. photosynthesis and respiration.
d. aerobic and anaerobic respiration.

Answers

The two main processes by which plant cells absorb, release, and useenergy are photosynthesis and respiration. The answer is letter C. Theprocess of photosynthesis is present in the chloroplasts of a pant cell.Photosynthesis uses the sun’s rays in the form of electromagnetic energy toconvert it into chemical energy to be used for the plants. It needs proteinsthat are present in the plants to perform a series of necessary conversions. Moreover,the energy from the sun is the main catalyst to convert the carbohydrates inthe plant into simpler sugars. And then a series of complex reaction takesplace that their end product is oxygen. The oxygen produced is the cellularrespiration. 

Answer: C. photosynthesis and respiration.

Explanation:

2. Does fertilizer make a plant grow bigger?
Independent -
Dependent -
Constants -

Answers

Answer:

Independent - fertilizer

Dependent - plant growth

Constants - type of plant, type of soil, water amount

Explanation:

Why is it important that a scientist keep accurate records of an experiment he conducts?A. in order to keep an accurate record of how many hours he spent in the lab
B. in order to back up the conclusions he publishes as a result of the experiment
C. in order to reminisce over all his experiments after he retires

Answers

B. in order to back up the conclusions he publishes as a result of the experiment
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