B. natural selection
C. variation
D. competition
Answer:
Flagella
Explanation:
they beat their flagella back and forth to force water through the sponge. The water brings in nutrients and oxygen, while it carries out waste and carbon dioxide
genetic makeup
phenotype
DNA sequence
B. white dwarf
C. neutron
D. main sequence
Natural casts
Natural casts are fossils that consistof minerals that are filled in an open mold of an organism. This type of castsis made when minerals are deposited in the mold. Casts can also be syntheticallyproduced when the molds are filled with synthetic material such as latex.
a. Whales evolved from hippos.
b. Hippos evolved from whales.
c. Hippos and whales do not share a common ancestor.
d. Hippos and whales evolved from a common ancestor.
12. Think about the factors that will influence the evolution on humans in the future. Name one factor that would exert influence through the process of natural selection and one factor that would exert influence through artificial selection.
a. natural selection: genetic engineering; artificial selection: demands placed on the brain
b. natural selection: individual mating choice; artificial selection: diseases
c. natural selection: diseases; artificial selection: genetic engineering
d. natural selection: demands placed on the brain; artificial selection: diseases
16. Niles Eldredge found evidence in trilobite fossils of a pattern of evolution in which short periods of large change are mixed in with longer periods of little or no change. This pattern is called WHAT.
I think it is punctuated equilibrium, but not sure.
PLEASE ONLY ANSWER IF YOU KNOW THEY ARE CORRECT!!!!