Biology, 09.02.2021 20:50 hamilclips1748
8. Some people believe that gaps in the fossil record between one species and its
ancestor are evidence that evolution is not true. The following are valid arguments
against this belief, except:
A. The fossil record does not contain every species that ever existed.
B. Every fossil in the fossil record has not been discovered yet.
C. Homologous structures, similar embryonic structures, and similarities in
organic molecules still provide evidence for evolution.
D. Structural similarities are enough evidence of the evolutionary relation
between species.
Answers: 3
Biology, 21.06.2019 20:00
In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia
Answers: 1
Biology, 21.06.2019 20:00
Here's one way to follow the scientific method. place the missing steps in the correct position in the process.
Answers: 3
Biology, 22.06.2019 12:40
Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.
Answers: 1
Biology, 22.06.2019 19:20
Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?
Answers: 1
8. Some people believe that gaps in the fossil record between one species and its
ancestor are evid...
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