Scientists have found many similarities in the proteins of turtles and sharks. These similarities suggest that turtles and sharks

A

have stopped evolving

B

have a common ancestor

C

have all the same DNA sequences

D

have the same number of chromosomes

Nina has the habit of eating non-food substances. nina's behavior is considered abnormal because

Hybridization adapt to

Why do flowers usually contain more stamens than pistils?

Select the best answer for the question 7. When skinning salmon, you should lay the fillet A. parallel to the cutting edge. O B. on a thin layer of salt. O c. on its belly. OD. skin side up. Mark for review (Will be highlighted on the review page)

The 47th chromosome has 21 extra genes and XY refers to gender There is an extra chromosome in the 21st pair and XY refers to gender The 21st chromosome has additional genetic material and XY refers to location of the gene The number 47 refers to

Which statement is correct about the total mass of glucose and oxygen formed during photosynthesis? It is equal to the total mass of carbon dioxide used. It is less than the total mass of carbon dioxide used.

If George is startled by a loud noise immediately after his baby sister cries, he is likely to become fearful every time she cries.

When the believer confesses his, he is cleansed by the blood of?

How does a vascular plant's phloem differ from its xylem? A. Phloem is found only in the leaves. B. Only phloem transports water. c. Only water flows through phloem. D. Phloem has a two-way flow of materials,

Many mutations have been identified in the lac operon. A particular mutation prevents the repressor protein from binding to the operator under all circumstances.