Biology

3. unicellular or colonial, heterotrophic or autotrophic organisms, including many that are decomposers or cause disease
4. unicellular or colonial, mostly heterotrophic organisms that are motile as adults and have a pellicle
6. Constructing evolutionary history is an example of:
8. this includes reclassifying of organisms according to their evolutionary history
10. multicellular, autotrophic organisms with cell walls made of cellulose and true tissues and organs
11. which taxonomic category is most specific?
12. which domain besides bacteria consists of prokaryotic cells
15. besides archaea and eukarya, which domain includes unicellular organisms
17. heterotrophic, multicellular organisms lacking cell walls but having true tissues and organs; example: insect
20. the scientific name is always __________ when typed.

1. Water is drawn through a sea stars body through the:
2. Science of classifying organisms, model that is able to be changed
5. Because Aristotle’s model of taxonomy was the basis for 8 subgroups we have today, we can consider it a scientific:
7. which domain includes multicellular organisms
9. unicellular or colonial, heterotrophic or autotrophic organisms known for living in harsh conditions
13. plant-like or fungi-like, mostly autotrophic organisms with motile gametes and cell walls made of cellulose
14. heterotrophic organisms with cell walls made of chitin; unicellular, but have multicellular reproductive stage
16. On a phylogenetic tree, all the organisms that have supposedly evolved from a common ancestor are collectively known as a:
18. which language is chosen for the binomial nomenclature?
19. Each group in a classification system is called a what?
21. the first word in a scientific name is: