Which of these is produced as a result of fertilization? -a zygote with half the number of chromosomes as a gamete
-a gamete with twice the number of chromosomes as a zygote
-a zygote with twice the number of chromosomes as a gamete
-an egg with half the number of chromosomes as a zygote

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases

Which is the function of the hypothalamus in thermoregulation? answers: -sensor -effector -stimulus -intergrating center it's either a or c i believe