Hi,
I think that you're missing some options, but here they are (let me know if I'm right!
-A population of wolves was introduced
-The amount of disease in the deer population decreased
-More grass was planted
Now, if the gene diversity decreased, it means that a lot of deer died. This could happen because wolves were introduced -this is the correct answer, and the wolves ate some deer.
Answer:
Homeostasis is controlled by the nervous and endocrine system in mammals
Explanation:
Nervous system when you touch a hot pan the nervouse system sends a message to move or feel pain
Endocrine system releases hormones into the bloodstrram that helps our growth and development,helps our organs work metabolism,and reproduction
Hope this helps!
tricuspid valve is located between the right atrium and ventricle
<span>A mutagen is a physical or synthetic operator that progressions the hereditary material, normally DNA, of a creature and along these lines expands the recurrence of transformations over the regular foundation level. Mutagens can be physical or chemical that should increase the mutation rate.</span><span />