At one point in fetal development, human embryos share similarities with many other species including fish and birds. this shows us that
a.) We are all the same species.
b.)we are not related to any other species.
c.)we may share a common ancestor with the species.
d.)we have the exact same DNA as these species.

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

What is the difference between an igneous, sedimentary and metamorphic rock