Which fact is the basis for using the fossil record as evidence that evolution has taken place?
A. In undisturbed layers of rock strata, the older fossils are found in the deeper layers.
B. There are fossils of all life-forms to be found in rock layers.
C. All fossils were formed at the same time.
D. Fossils have been shown to provide a complete record of human evolution

The (blank) states that all loving things are made of cells.

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other

What characteristic does giardia have that makes it a protist, a characteristic that all other protists have? a. it is a unicellular eukaryote. b. it is a eukaryote that is not an animal, a plant, or a fungus. c. it is parasitic and has flagella. d. it spends part of its time in a body of water.