Why does the Earth rotate
A. Because the earth is formed from cold gas is collapsing due to gravity
B. Because the matter in the nebula that formed earth was spinning
C. Because earth form is more than 99% of the mass of the solar system
D. Because the hydrogen Adams inside the nebula fused to form helium

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?