Across
- 2. the part of a negative feedback loop that changes a parameter to bring it back to its set point
- 6. an organism that must allow its body temperature to vary in order to survive in its environment
- 8. salmon develop gills as they grow in order to increase the _____________ ___________ through which oxygen exchange can happen
- 11. diffusion and exchange with the environment is easier with __________ organisms, that have high surface area to volume ratios
- 12. when a physiological mechanism begins, then its processes perpetuate and increase its actions, an example would be giving birth
- 13. the relationship between the changing size of an organism and its shape or other physical properties
- 14. As a lizard grows, its size stays the same, with the same proportions
Down
- 1. when an adaptation comes at a cost, for example a male peacock having very ornate feathers
- 2. an organism that can regulate and produce its own body heat
- 3. when an animal's phenotype changes in response to environmental change, similar to phenotypic plasticity
- 4. between two organisms that perform similar physical functions, they have differently shaped skeletons due to difference in size
- 5. metabolic rate of animals __________ as they get smaller
- 7. the part of a negative feedback loop that receives information from environmental stimuli
- 9. and often heritable, genetic change that is seen in a population over time in a population due to environmental factors
- 10. the ability to maintain a constant internal environment