The answer is 4. Hope this helps
Answer:
Cell>Tissue>Organ>Organ System>Organism.
Answer:
I think it is D
Explanation:
A- That is a random gene mutation and is not natural selection
B- A lizard sitting under the shade isn't selecting anything
C- that would be sexual selection
D- bacteria becomes resistant because of natural selection.
Hope this helps :)
The answer is "<span>Health issues are determined by a complex interaction of environmental and genetic factors, which is difficult to predict." i hope it helps</span>
Answer:
c. decrease rate of muscle activity