This statement is correct-
decreased variation in tail feather color because no form of the trait is advantageous
Answer:
yes
Explanation:
it is narural and disolves back into the earth. It will eventually become dirt.
Answer:
Its to deliver oxygen around the body
Explanation:
The blood flows through the heart then to the lungs and in the lungs the blood exchanges carbon dioxide with oxygen then it brings it to all the cells so they can go through cellular respiration.
Answer:
answered
Explanation:
1. Sun emits photons at all wavelengths
2. Prism disperses sunlight into individual wavelengths
3. Alga"s photosynthetic pigments absorb photons at specific wavelengths
4. Absorbed photons drive photosynthesis in alga.
5. Alga gives off oxygen as it photosynthesizes
6. Bacteria attracted to regions of highest oxygen concentration
7. Number of bacteria in different wavelength regions counted