science world

2. scientist who has a strong understanding of many scientific disciplines
7. captures subjects in commercial-quality photographs.
10. the surroundings in which a person, animal, or plant lives.
11. the fact or process of a species of a group of animals
14. people born and living at about the same time
16. person with whom one works in a profession
19. any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother
20. the state or fact of continuing to live or exist

1. cold-blooded animals.
3. prevention of wasteful use of a resource
4. there is not enough rain to support the growth of a forest.
5. not indigenous or native to a particular place
6. Seriously at risk of all dying out.
8. extremely dangerous especially because of bad weather conditions
9. the different types of life on Earth
12. wild animals collectively.
13. a living organism that feeds on organic matter
15. in a manner different from what is normal.
17. maintain something in its original state.
18. Plant or animal that lives or grows naturally in a place and that has not been brought from somewhere else