D a change in color of a subtance
Answer:
phototropism
Explanation:
phototropism is the plant responding to external stimuli, in this case the sun.
Answer:
2 b
3 b
the others I really don't understand, they are incomplete or misspelled
Answer:
The correct answer is - 2) density-independent limiting factor.
Explanation:
Density-independent limiting factors are the factors that cause a change in the size of the population without getting influenced by the density of the population.
Density-independent limiting factors include biotic or abiotic factors with catastrophic conditions such as natural disasters such as floods, earthquakes, drought, fires, and many more.
Drought affects the size of the population by increasing competition in the ecosystem for resources.
p53 protein is involved in control of cell cycle, which explains it role in tumor/ cancer suppressor
