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SVETLANKA909090 [29]
3 years ago
9

In the body of a human or other complex organism, a group of similar cells performing similar functions is called a/an

Biology
2 answers:
sveta [45]3 years ago
7 0
The answer is d. tissue.
IrinaK [193]3 years ago
4 0
<span>A group of similar cells performing similar functions is called a "Tissue"

In short, Your Answer would be Option D

Hope this helps!</span>
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Natural selection is based on all of the following except a. genetic variation exists within populations. b. the best-adapted in
goldfiish [28.3K]

Individuals adapt to their environments and, thereby, evolve

Explanation:

Natural selection is the main process which advances evolution by aiding organisms to survive and produce more offspring through adapting more to their environment. Mutations, gene transfer, and genetic variations also drive evolution.

Both natural selection and evolution work on genetic behaviors in populations rather than individuals. Both natural selection and evolution are involved in generating changes over generations.  Examples of evolution is the disappearing of tail bone, decreased head size and for natural selection example is the long and short necked giraffe.

4 0
3 years ago
What is an example of malignant tumor?
sergey [27]

Answer:

Carcinoma.

Explanation:

These tumors form from epithelial cells, which are present in the skin and the tissue that covers or lines the body's organs. Carcinomas can occur in the stomach, prostate, pancreas, lung, liver, colon, or breast.

3 0
3 years ago
g when hydrogen is present and the citric acid cycle is active, the ph of the mitochondrial matrix is
11111nata11111 [884]

Answer:

The pH remains constant

Explanation:

The pH value of Mitochondrial matrix = 7.8 while the pH of the intermembrane space of the mitochondria = 7.0–7.4

The presence of the hydrogen atoms makes the mitochondrial matrix acidic and hence reduced the pH value but the pH of inner and outer matrix is maintained equal to each other thus as the H+ ion increases, the base concentration increases thereby pushing H+ to the inter membrane space and hence producing ATP.

6 0
3 years ago
 Which of the following is true regarding extinction? 
mestny [16]

<span>C. Single events or several causes working together to produce extinction in a short period is referred to as mass extinction.

Example:
</span>Destruction of forests, mountains, and bodies of water to satisfy human needs result to the imbalance of nature which also give rise to global warming.

Animals and plants have lost their habitats. They lost their means to live. They lost their food sources and they suffer and die because of humans irresponsible acts.

hope I helped!!

6 0
3 years ago
Which of the following is a function of the nervous system?
N76 [4]
I think the answer is C. increasing cellular respiration in muscle tissues 
hope i can help ✨
7 0
4 years ago
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