Which of the following is true of reproduction in a pine tree? a. the zygote grows into an embryo. b. the pollen tube contains two diploid sperm. c. both sperm fertilize the egg. d. the cones are diploid.

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

How many chromosomes are in a gold fish?