Answer:
1.Sperm is a male reproductive material that form at the onset of puberty.
2. Sperms are produce in immense amount.
3. Sperms are motile.
Explanation:
1. Ovum is produced in females which is called egg.
2. Ovum is nonmotile.
3. They are produced in limited amount in a process called ovulation.
Answer:
It is given and we know that if balloon vine bugs and golden rain tree bugs prefer fruits from either host plant. Then the change in the food preference leads to reproductive isolation which is sympatric isolation
There is the ongoing rapid evolution of bugs in relation to the seed defense structures of their host. Rapid evolution in bug populations that feed on recently introduced sapinds is grounded with an ancestral pattern of coevolution between the bugs and the defenses of sapinds.
Answer:
4
Explanation:
asexual reproduction means only one parent
A difference between female rats and humans is that a rat's vagina connects to the urogenital aperture and humans do not have a urogenital aperture. The vagina is a short, muscular canal located below the urethra. Additionally, the rat's vagina is much shorter in length than the human vagina. In female rats, the ovaries which produces egg cells and female hormones, are small and located just below the kidneys inside the peritoneal membrane. Also the shape of the uterus in rats is different than in humans. In rats it is Y-shaped and in humans it's a pear shaped organ.
Nucleic acids / aka nucleotides