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Julli [10]
3 years ago
12

The Cambrian explosion was

Biology
1 answer:
tangare [24]3 years ago
8 0

Answer:

It was the sudden appearance (over a 10my period) of many different organisms, which occurred approx 540-548 mya. ... So it can be away from sources of oxygen, preventing microorganisms from decomposing the organism.

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Two students are comparing scientific experiments to investigations. They came up with the following ideas.
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A. Student A because it requires a hypothesis

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1. Psychologists have used four perspectives in their efforts to explain motivation. These include an emphasis on instincts, opt
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A) drive reduction

Explanation:

Motivation is the urge that fuels and directs human with the energy to accomplish a given task. Motivational theory is accustomed  with the role of  searching for what drives individuals to work towards a goal or a task.

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Optimum Arousal Theory drive people to engage in certain activities in the quest to keep up with an optimum level of physiological arousal.

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3 years ago
Gametes are produced by the process of
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How are the plants in a specific environment be impacted if there was a sudden drop in amount of bacteria present in that area?
Rainbow [258]
I think this information may be help you
The plants in a specific environment be impacted if there was a sudden drop in the amount of bacteria present in that area, there are positive and negative consequences associated with this situation.

Positive:

The decrease in bacterial colonization will prevent the plant from the diseases caused by the bacteria and this will promote plant growth. Like, black rot in Brassica caused by Xanthomonas campestris, bacterial canker in tomato, capsicum and chilli caused by Clavibacter michiganesis.

Negative:

Plants remains in symbiotic relationship with bacteria in order to obtain impermeable inorganic minerals from the soil. In the absence of bacteria, the plants will not receive these nutrients, and their growth may be hampered. Example bacteria fixes atmospheric nitrogen which is taken up by the root nodules of leguminous plants. In return these bacteria gets the food like carbohydrates produce by the plants

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