Biology, 14.02.2020 17:18 alicciardone01
Which of the following could be considered the most recent common ancestor of living tetrapods? a) a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates b) an armored, jawed placoderm with two pairs of appendages c) an early ray-finned fish that developed bony skeletal supports in its paired fins d) a salamander that had legs supported by a bony skeleton but moved with the side-to-side bending typical of fishes
Answers: 3
Biology, 22.06.2019 01:40
Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat
Answers: 1
Biology, 22.06.2019 08:00
Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of
Answers: 3
Biology, 22.06.2019 13:00
The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called
Answers: 1
Biology, 22.06.2019 19:50
What happens to the amount of waste in the pond as the ecosystem ages?
Answers: 3
Which of the following could be considered the most recent common ancestor of living tetrapods? a) a...
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