A P E X
?What is an index fossil?
A. A fossil this is found all over the world
B. A fossil this is from an animal that did not evolve
C. A fossil that is more than 60,000 years old
D. A fossil found in rocks from one time period

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?

Which anatomical plane is the only one that could not show both the sternal region and vertebral region

What is a population? a. all the members of the same species living in the same ecosystem at the same time b. the number of a species living in the same ecosystem over a period of time c. the total number of organisms living in an ecosystem at a point in time d. all the members of a food web in the same ecosystem