Please help will mark brainliest
Which of these are the correct base pairs in DNA ?

thymine and guanine

cytosine and guanine

cytosine and adenine

adenine and uracil

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?

Select the star life cycle that is accurate