Between angiosperms and gymnosperms, which of the following statements are true ?

A- angiosperms appear in the fossil record about 160 million years ago

B- gymnosperms were originally the dominant, y’all plant in the fossil record.

C- conifers are pollinated by wind and chance

D- all of the above

B- gymnosperms were originally the dominant, y’all plant in the fossil record.

Explanation:

Gymnosperm and Angiosperms both are seed producing plants but gymnosperms doesn't produce flowers while Angiosperms produce flowers and also called flowering plants. According to the fossil record, gymnosperms were dominant in the ancient times about 390 millions years ago. This period is called Devonian period which occurs millions of years ago.

between angiosperms and gymnosperms, which of the following statements are true?

angiosperms appear in the fossil record about 160 million years ago

Explanation:

Angiosperm has being in existence during the late jurassic period which is over 160 million ago

i believe it is c: genes for body color and wing size are inherited separately from each parent.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.