Answer:
Explanation:
Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types. ... Differentiation dramatically changes a cell's size, shape, membrane potential, metabolic activity, and responsiveness to signals.
There
are many ways to estimate ground squirrel numbers. The most common
and popular monitoring technique is the combination of electronically
recorded stress calls and visual counts where ground squirrels
respond physically, vocally or both. You simply count the number of
squirrels in a 100m by 100m area that respond to a hand-held
imitation ground squirrel call tool.
<span>I
hope this helps, Regards.</span>
Answer: G1
Explanation: G1 is typically the longest phase of the cell cycle. This can be explained by the fact that G1 follows cell division in mitosis
B cells produce antigen
t cell are helper,killer,memory cells
they hold memory of pathogens i the system
It is environmentally damaging