In order for natural selection to take place we must have "variety in a population". This variety of traits is what allows natural selection to "pick" the most favorable traits.
I believe your answer would be D.
Answer: process indicators
Explanation:
Process indicators are used to measure the steps in a process and tasks people or devices do, from conducting appropriate tests, to making a diagnosis, to carrying out a treatment.
It can be used to AID diagnosis, and OBJECTIVELY measure the response of a patient to therapy.
So, Process indicators is the right answer
Answer:
Depending on changes, that occur with DNA, all types of DNA mutations can be divided into two main groups:
gene mutation;
chromosomal mutation.
Explanation:
An algal bloom has drained the lake of oxygen.
Explanation:
The possible cause of the fish death in the lake near the park is that an algal bloom has drained the lake of oxygen.
The green slime on top of the lake are the growing algae.
- This condition is caused by eutrophication.
- It occurs when nutrients are enriched in a water body causing the growth of algae.
- Algae bloom causes the depletion of oxygen levels in the ocean.
- They block off plants from producing oxygen and enriching water with it.
- Fishes need oxygen for their life actions.
learn more:
Algae brainly.com/question/1739812
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