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____ [38]
2 years ago
15

How does photosynthesis in a purple bacterium (Class Anoxyphotobacteria) differ from photosynthesis in an oak tree?

Biology
2 answers:
VladimirAG [237]2 years ago
7 0
It differs due to the life cycle of each tree, and the very specific way the trees go.
tamaranim1 [39]2 years ago
3 0

It differs due to the life cycle of each tree, and the very specific way the trees go.

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The soil atmosphere (gas) typically contains __________ oxygen and __________ carbon dioxide that the bulk atmosphere above the
e-lub [12.9K]

Answer:

c. More oxygen and less carbon dioxide

Explanation:

The composition of air in the layers between the soil is called soil atmosphere or gas.

The maximum percentage of gas in soil is nitrogen with 79.2 %. Then it is oxygen with 20.6 % and the last is carbon dioxide with 0.25 %. These gases are required in order to maintain life under the ground. The roots of trees and the microorganisms require soil atmosphere to carry out their functions.

8 0
3 years ago
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When an action potential is generated within a motor neuron, ________. When an action potential is generated within a motor neur
svlad2 [7]

Answer:

every muscle cell of the motor unit is stimulated to contract.

Explanation:

Stimulus in biology can be defined as an obvious change in either the chemical or physical structure of an organism' environment (either external or internal). Thus, all living organisms (both animals and plants) respond to changes in their environment and consequently, an appropriate response or reaction is made. Also, stimulus arising from within the organism is known as internal stimulus while those from its environment are known as the external stimulus.

In organisms, the specialized cells that detect stimulus are generally known as sensory receptors while a group of these receptors is referred to as sense organ. Therefore, the senses are necessary for behavior because stimuli must be sensed in order to respond.

Stimulus control can be defined as a phenomenon that arises when a living organism responds or behaves in the presence of a stimulus and in another way in the absence of a stimulus.

For example, opening the door of a microwave oven as soon as its timer beeps.

Example II; When your body touches a hot object, you quickly move away and feel some pain subsequently.

Action potentials generates the nerve impulse in a motor neuron.

When an action potential is generated within a motor neuron, every muscle cell of the motor unit is stimulated to contract.

6 0
2 years ago
Which of these is a natural resource?
Amiraneli [1.4K]

Answer:

B

Explanation:

4 0
2 years ago
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Explain why the chromosomes in the haploid cells that are produced by meiosis I look different than those produced by meiosis II
scoundrel [369]
In meiosis one, homologous chromosomes only separate resulting in two cells. In meiosis II, the cells divide further, separating sister chromatids and resulting in four cells. So the cells are just even smaller with less chromosomes in each one.
5 0
3 years ago
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Please help I got this wrong and I don't understand I need help
OlgaM077 [116]

Answer:

If it´s not A then choose C

Explanation

If they were land animal and could not swim then the only logical reasoning would be that the two pieces of land drifted apart from each other and the fossils were in between them and that´s why they ended up in the ocean.

6 0
3 years ago
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