Answer:
chromosomes, the X and the Y.
Explanation:
Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome. This arrangement means that it is the male that determines the sex of the offspring when fertilization occurs.
It's D, Without plants for the grasshopper to eat they would begin to decrease in population causing a decrease in mice population from the lack of food supply and so forth for the snake.
Answer:C performing a courtship dance
Explanation:
One example of a mutation that could occur in a species that might increase its lifespan is increased bone density. With high bone density, an animal is more likely to survive a heavy hit with no bone damage. This, in turn, means that the animal's vital organs are able to be protected by the bones, meaning the difference between life and death.
The eocene organisms had clear primate characteristics like a postorbital bar, opposable thumbs, nails, and a large brain are Omomydids and Adapids.
The adapids were lemur like primates and the omomydids which includes the probable ancestors of apes and monkeys and Tarsiidae (tarsiers). They are organisms of the eocene epoch present about 34 to 55 million years ago.
They are considered to be the early primates. Their primates characteristics are forward oriented eyes, postorbital bar, opposable thumbs, nails, large brain and adaptation to live in the tree.
To learn more about primate characteristics here
brainly.com/question/28024455
#SPJ4