Biology, 21.04.2021 19:30, tinapersaud1587
Caytonia is an extinct plant that existed 200 to 140 million years ago. It has reproductive structures that resemble reproductive structures in modern flowering plants. How do scientists know about the structures in an ancient extinct plant?
A. Scientists study DNA structure of Caytonia.
B. Scientists genetically engineer modern plants to produce Caytonia.
C. Scientists excavate and examine fossilized remains of Caytonia.
D. Scientists observe the adaptations of plants in habitats resembling those of Caytonia.​
Answers: 2
Biology, 22.06.2019 00:50, bob4059
Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems
Answers: 3
Biology, 22.06.2019 05:50, nschavez123
Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?
Answers: 3
Caytonia is an extinct plant that existed 200 to 140 million years ago. It has reproductive structur...
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