Explanation:
A pulsar is a rapidly rotating neutron star which emits large amounts of electromagnetic radiation and particle jets. A neutron star is what is left over when a star 4 - 8 times the mass of our sun burns up most of its fuel and explodes in a supernova.
Answer:
1. sperm cell
2.testicles
3.egg
4.ovary
5.fertilization
6.fertilized egg = foetus
Explanation:
The mitochondrion helps to maintain homeostasis in the cell by b. extracting energy from food for the cell.
An adaptation is a trait that "evolved" for a particular condition that allows the animal to survive. Something is adaptive if it is a useful trait but not necessarily one that occurred in response to a particular selection pressure. Basically a trait is an adaptation if it is the product of selection, and adaptive if it is beneficial in the present time.
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