PLEASE HELP: What might be some characteristics that could have helped some species of forams survive the K-T mass extinction event.

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

Several billion years ago which gas was the least prevailant in the atmosphere

The picture shows a location in india that is very dry and arid. notice the tall mountains in the background; you can find high amounts of vegetation on the other side of the mountains. which statement is most likely true for this area?