Answer:When inside the egg, both the egg and the sperm prepare for a genetic fusion. After this, the 23 chromosomes from the egg and the 23 chromosomes from the sperm fuse to generate the 1st cell that gives rise to new life, called the zygot
Ecosystem services is an expression that makes reference to different uses derived from the natural environment (ecosystems).
<h3>What are ecosystem services?</h3>
The expression 'Ecosystem services' makes reference to different uses that humans make from the natural environment.
These services include has both social and economic importance for human activities (e.g., tree extraction and deforestation).
Thus, Ecosystem homeostasis is fundamental for the development of a society and it should not be exploited.
To learn more about the ecosystem click here:
brainly.com/question/13979184
This control is called negative feedback. Mechanism of negative feedback. Each metabolic reaction or process is regulated by several enzymes. These enzymes control the rate of these reactions and thus are fundamental in maintaining homeostasis. In a negative-feedback pathways, the end product of a pathway binds to the allosteric site of the first enzyme, closing its active site and blocking the rest of the reactions.
Answer:
B -Scenario 1, because chance events led to a decrease in the number of dark
Scenario 1, because chance events led to a decrease in the number of darkbeetles.