In the above figure, which letter points to the endometrium?
A) A
B) B
C) C
D) D
E) E
Answer: E
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In insects, the passage from one body form to another is called
A. pupation. B. ecdysis. C. metamorphosis. D. transference.
The example of an adaptation provided by the rock pocket mice illustrates the observation that genetic differences
often develop between individuals
Indicate whether the statement is true or false.Which is a characteristic of the phylum Chordata?
A. They have a notochord. B. They have a pseudocoelom. C. They do not have true tissues. D. They have a gastrula with only two germ layers.
Several species of Caribbean Anoline lizards have evolved from a single ancestral species. The species occupies a wide variety of ecological niches, such as tree trunks and the ground, or tree trunks only, or tree trunks and the crown of trees, etc. This type of allopatric speciation is called
A. adaptive radiation. B. hybridization. C. alloploidy. D. autoploidy.