science

3. a distinct group of organisms capable of interbreeding and producing fertile offspring.
5. combat males will fight each other for access to breeding females.
7. isolation reproductive isolation that keeps a sperm from fertilizing an egg.
8. Cells with half the genetic information of the original cells.
10. Cells with the full set of genetic information of the original cells.
12. isolation species occupy different habitats
13. when all organisms of a species have died.
15. isolation gametes that meet do not fuse to form a zygote
16. assortment different genes get sorted into gametes independently of one another.
18. selection the process by which humans use animal breeding and plant breeding to select for specific traits.
19. the branch of biology that groups and names organisms.
20. isolation incompatible animal genitalia or plant floral structures

1. isolation courtship patterns for recognizing mates differ
2. an organism exits an area.
4. predator and prey live in the same habitat.
6. – Levels of organization into which organisms are classified
9. isolation reproductive isolation that keeps hybrid offspring from developing or breeding.
11. isolation each reproduces at a different time.
14. an organism moves into a new area.
17. a permanent change in the nitrogen base sequence of a gene.