What is happening in picture c? a) homologous chromosomes are separated
b) sister chromatids are separated
c) 4 different haploid cells are released
d) 4 identical haploid cell are released

i think it's c

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex