Biology

Biology, 20.10.2019 08:10, fatback7063

The vertebrates lung first appeared in

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Biology, 02.07.2019 20:30, cedavenport1277

According to the fossil record found in these sedimentary layers, what conclusion can be drawn about animal life in general? es a) animals did not move on to land until flowering plants evolved vertebrates appeared in the oceans before they moved on to land. c) vertebrates evolved on land and in the oceans at about the same time. d) shelled animals and fish appeared in the oceans at about the same time

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Biology, 25.07.2019 12:00, leilei2003

According to the fossil record found in these sedimentary layers, what conclusion can be drawn about animal life in general? a)animals did not move on to land until flowering plants evolved.b)vertebrates appeared in the oceans before they moved on to land.c)vertebrates evolved on land and in the oceans at about the same time.d)shelled animals and fish appeared in the oceans at about the same time.

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Biology, 01.08.2019 13:00, lesliemar

According to the fossil record found in these sedimentary layers, what conclusion can be drawn about animal life in general? a) animals did not move on to land until flowering plants evolved. b) vertebrates appeared in the oceans before they moved on to land. c) vertebrates evolved on land and in the oceans at about the same time. d) shelled animals and fish appeared in the oceans at about the same time.

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Biology, 13.09.2019 21:30, zachthomas024

Most animals with backbones, vertebrates, have a similar body plan: skull, ribs, two pairs of limbs, tail. what does this suggest about vertebrates? a. vertebrates are the best designed organisms. b. vertebrates all adapted to similar environmental conditions. c. vertebrates all have similar lifestyles. d. vertebrates have been around longer than most other organisms. e. vertebrates are all related to a common ancestor.

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