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makvit [3.9K]
3 years ago
12

Explain why, at point X, carbon dioxide is neither taken up nor given out by the tomato plants. (1)

Biology
1 answer:
Anuta_ua [19.1K]3 years ago
3 0

Answer:

This is an controlled experiment because he is only changing the amount of carbon dioxide in the air. Since he is only changing one variable at a time and comparing it to a natural, unaltered tomatoe area, his experiment is controlled.

Explanation:

The definition of a controlled experiment is a test where the person conducting the test only changes one variable at a time in order to isolate the results. An experiment where all subjects involved in the experiment are treated exactly the same except for one deviation is an example of a control experiment.

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Match the description to the type of energy.
attashe74 [19]

Answer:

1)diaphragm vibrations- sound waves

2) Changing magnetic fields- Electrical energy

3)sound waves- Mechanical energy

Explanation:

A changing magnetic field induces an electromotive force and then an electric field which contains electrical energy

Sound energy is a form of energy that can be heard by humans. Sound is an example of a mechanical wave because it consists of physically oscillatory elastic compression.

A diaphragm is a thin surfaced cone used to produce sound. It is caused to vibrate using electromagnetic energy.

3 0
3 years ago
Which of the following is a Density Independent Factor that may affect the size of a population?
Leviafan [203]

Answer:

A:Predation

Explanation:

Hopefully this helps

6 0
2 years ago
Question 8 (1 point)
Arlecino [84]

The term which best describes species C relative to species A is Sister

species. This is as a result of them sharing largest number of derived traits.

<h3>What is Ingroup?</h3>

Ingroup is defined as the group in which organism belongs to. We were

told that A and C are ingroup species.

Species A sharing the largest number of derived traits with species C

means that they have similar traits and a common parent which is a

characteristic of sister species.

Read more about Sister species here brainly.com/question/15808982

8 0
2 years ago
Match the description with the corresponding fruit part.
Blizzard [7]

Answer:edg

Explanation:

endocarp- the inner most protect

layer around fruit seed

pericarp- all the layers surrounding

mesocarp- the middle protective layer of fruit seed

epicarp- the outermost skin

5 0
3 years ago
PLz help me with this question!!!!!
Dovator [93]

Answer:

asexual reproduction

Explanation:

it starts off with a single nucleus and ends up with 2, there is no obvious chromosomes or spindle fibres to suggest meiosis or mitosis

7 0
3 years ago
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