<span>The answer is to control the crossing of the traits.
The idea of preventing plants from self-pollinating is to control the crossing of the traits. If plants were self-pollinating, he could not know if the traits are inherited from the same plant or from the other. By preventing this, he could cross parents with known phenotype and that way learn about crossing process and inheriting process.</span>
Answer:
cells are regulated by their oxygen uptake
"Alveoli" <span>is where gas exchange takes place between the lungs and the blood.
Hope this helps!</span>
Answer:
- Helps ensure that all of the illness-causing bacteria are killed or prevented from multiplying
- Helps prevent superbugs (bacteria that are immune to the antibiotic)
<span>A. Redwood trees
K-selected species are living organisms that are usually larger than those in the r-selected species</span>
