What type of evidence does cosmic background radiation provide about the origins of the universe? It supports predictions of the composition of the early universe.

It pinpoints the size of the original universe.

It verifies that the early universe was once extremely hot.

It proves that the universe is expanding.

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.

What are the pros and cons of quadrat sampling?