Biology

3. Genotypes made of two different alleles.
4. Genotypes made of the same alleles.
8. Different versions of a gene for a single trait.
11. The point directly above you in the sky.
12. Things in nature that are not alive, like rocks, soil, water, and sunlight.
13. A relationship between living things where one benefits and the other is not harmed or helped.
16. A gene that is always expressed.
17. A way of seeing faint objects in the night sky by looking slightly away from them.
18. The big planets in our solar system that are made mostly of gasses. Jupiter, Saturn, Uranus, and Neptune.
19. Things in nature that are alive, such as plants, animals, fungi and bacteria.
23. Adjustments made to environments that help survival.
24. A gene that is expressed only in a homozygous state.

1. Found in the nucleus of most blood cells.
2. Our unique genetic code.
5. When one animal hunts and eats another animal.
6. A relationship between living things where one benefits by causing harm to another.
7. Tiny instruction manuals inside our cells that determine our traits and characteristics.
9. deoxyribonucleic acid
10. A relationship between two different living things where both benefit and help each other.
13. radiation that fills the universe and comes from heat left over from the Big Bang.
14. When the moon looks like it is getting smaller or less of it is visible night after night.
15. The passing on of characteristics genetically from one generation to the next.
20. What we see on the outside—the physical traits that result from our genes.
21. When the moon looks like it is getting bigger or more of it is becoming visible night after night.
22. A large area of the land that has its own kind of climate, plants, and animals. For example: desert, forest, grassland, marine and tundra.