Biology, 04.03.2020 21:23 Drevei6969
Two species of buttercup can be found in the same field in South Dakota. They emerge at different times: One species emerges and flowers in early spring, and the other species emerges in late summer, after the first species has set seed. Both flower species are pollinated by the same insect species, which is common in spring and summer. The different flowering times are likely due to
a. competitive exclusion. b. niche fragmentation. c. niche realignment. d. resource partitioning. e. parasitism.
Answers: 2
Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. itβs rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
Answers: 1
Biology, 22.06.2019 12:00
The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.
Answers: 1
Two species of buttercup can be found in the same field in South Dakota. They emerge at different ti...
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