Organisms within a population must compete for resources to survive

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

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes