Biology

1. Absence of a membrane-bound nucleus and other membrane-bound organelles
5. Presents two contrasting choices about an observable characteristic of an organism or object
7. A carrier or transmitter
11. A complex carbohydrate, a polysaccharide made of many glucose molecules linked together, making up the bulk of plant matter
12. It can be found in a cell
14. The second highest rank on the taxonomy chart
15. To determine how organisms are related
16. System attempting to maintain a stable internal environment despite external changes
17. They can be microscopic or macroscopic
18. A structural component in the exoskeletons of arthropods
20. Can be found on your hands/everywhere

2. Organism that can produce its own food using light
3. Natural grouping of organisms that includes a common ancestor
4. The presence a membrane-bound nucleus and other membrane-bound organelles
6. Single-celled
8. It eats others cells in order to get the energy they need
9. A complex structure visible to the naked eye
10. The first word that represents the genus and the second word represents the species
13. Derived traits
19. Any shared characteristic or trait that helps to group organisms together and classify them into more inclusive groups