Correct answer looks like to me would be A. Because, if a sunflower has 34 chromosomes, when you split it up into x and y chromosomes, there will be 17 x chromosomes and 17 y chromosomes. Hope this helps!

4 0

3 years ago

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PLS HELP ME NEED THE ANSWER TODAY 50POINTS !.☺♥When would be a good time in San Francisco to collect seashells? Explain your ans

SpyIntel [72]

Answer: a low tide I would say around 5:02a.m.

Explanation:

The best shelling opportunities tend to happen during low tide, where the shells that are normally covered by water are left exposed on the sand.

7 0

3 years ago

The corpora quadrigemina are found in the ________.

Bas_tet [7]

Its found in the tectum of the dorsal aspect of the midbrain

5 0

3 years ago

The Mesozoic Era is marked by dramatic evolutionary activity. What factor best set the stage for the dramatic development of ins

Reptile [31]

Answer:

The era is characterized by having one of the most diverse environment that the earth could have ever seen, as there were number of species of dinosaurs and there were different plant life as well, and the climate was not so cold to live for the different organisms.
As, the life on earth flourish even there were organisms found on large scale inside the arctic circle.While, the level of CO₂ increased inside the Mesozoic era. Along , with which the extinction of about 96 percent of life made it very difficult for the rest of the organisms to survive and thus there were now mutations happening inside the different organisms genome.Along, with that the way of reproduction was greatly changed inside the plants, as more effective form of flowering plants were evolved.
As, for the animals new species with the increase level of survival instinct were evolved from old simple ones across the globe.

4 0

3 years ago