Q: What parts of the cell does cell differentiation involve changes in? Choices: - cystine and cell wall - endoderm and epidermis - cell membrane and nucleus - cytoplasm and cell wall A:
cytoplasm and cell wall

(Question)
Q: At equilibrium reactants and what are equally abundant? Choices: - results - proactives - minerals - products A:
(Answer)
products

Ques: Q: What process joins two haploid gametes into a diploid zygote? Choices: - embryo - fusion - migration - fertilization A:
Ans: fertilization

(Q).
Q: What occurs when some members of a species become geographically separated? Choices: - divergent speciation - symbiotic speciation - reflective speciation - allopatric speciation A:
(A).
allopatric speciation

Ques:Q: The shapes of minerals form as they are broken along what planes? Choices: - parallel planes - sedimentary planes - calcium planes - cleavage planes A:

Ans:cleavage planes

Ques:Q: Which part of a fish helps them breathe? Choices: - fins - layers - pores - gills A:

Ans:
gills