4. In some plants it's pollen and ovum. In people it's sperm and eggs. They can also be spores in the fungi kingdom. Sex cells can come in many forms, so biologists use the
general term
for these cells.
a. stems
b. diploidic
c. spores
d. gametes

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what

The function of the ciliary escalator is to