Bio Lab Crossword

2. A scientist who studies fossils
4. Microscopic, single-celled organisms belonging to Kingdom Monera
7. A gas vent on the outside of a crater
8. Animals of particularly large size
11. A nucleic acid present in all living cells
13. Snake bird
15. A strong greenhouse gas
16. The largest known turtle
19. A microorganism that lives in extreme conditions
24. The earliest group of vertebrates to achieve widespread success as predators
25. Radioactive isotope of carbon with mass number 14 and a half-life of about 5730 years
26. The surface features of an object or how it looks its texture, direct relation between these features and materials properties
27. A substance that accepts or receives electron from another substance, hence, is consequently reduce
29. Four limbed vertebrates
30. Animals that eat anything

1. The variety of life in the world or in a particular habitat or ecosystem
3. The tiniest organisms on our planet
5. All of the animal life present in a particular region or time
6. The geological epoch that lasted from about 2,580,000 to 11,700 years ago
9. Legless lizards and Caecilian amphibians
10. Dog-like animal
12. An imaginary line around the middle of a planet or other celestial body
14. The chemical changes that take place in a cell or an organism
17. The study of the relationships between living organisms, including humans, and their physical environment
18. A small particle with a negative charge that is found in all atoms
20. A self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes
21. Organisms that are too small to be seen without using a microscope
22. An island chain in the South Pacific near Fiji
23. A simple single carbon molecule
28. Are formed from special cartilaginous structures and usually are encased in bone