The answer to this question would be A:growth factors
Hope this helped!!
For evolution to occur:
There must be genetic variation in a population. This provides variation on which natural selection can act. Then natural selection can act by selecting those species which are better adapted to the environmental conditions. Over time those animals that are best suited to the environment only will survive and reproduce. Those organisms successful genes will be preserved and eventually the gene frequency in the population will change, changing the overall characteristics of a population. This is how evolution occurs.
Which environment are you talking about? is there any answer choices
The action of phagocytes doesn't happen at any certain temperature. No specific sort of lymphocyte is produced as a result of it. It doesn't react to any particular hormone.
The process of phagocytosis begins with attachment and ingestion of microbial particles into a bubblelike organelle called a phagosome. Once inside the phagocyte, the phagosome containing the microorganism joins with a lysosome, which contributes enzymes. The fusion of phagosome and lysosome results in a phagolysosome. Microorganisms are destroyed within minutes, and the microbial debris is eliminated from the cell in the process of egestion.
Learn more about Phagocytosis here-
brainly.com/question/11667538
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Plants use their stomata to take in Carbon dioxide and take out oxygen during photosynthesis. It's how they "breathe" if that makes it more understandable.
