This is happen during anaphase when two chromatids separate and move towards opposite poles,
D. The cytoplasm slides and forms a pseudopodium in front to move the cell forwards.
The correct answer is A !
The individuals make up the population, like the basic unit of measurement for a group of animals/living things.
Explanation:
The biosphere, (from Greek bios = life, sphaira, sphere) is the band of the planet Earth anywhere life lives. The biosphere is one of the four layers that comprise the Earth along with the lithosphere (rock), hydrosphere (water) and atmosphere (air) and it is the amount of all the ecosystems.The levels of biological structure from individual to biosphere are, subatomic particles, Atoms, Small Molecules, Macromolecules, Molecular devices organelle cell tissue organ system organism population species agreement ecosystem and Biosphere.
A - the white blood cells collect the invaders through phagocytosis and kills them
