It requires water to breed since the sperms requires water to swim
there might be zero chances of the sperm coming in contact with the eggs
a larger percentage of gametes unfertilised and are wasted
there are a lot of environmental hazards
The answer is natural selection.
In natural selection, genotype variations that will increase the chance of survival and reproduction of some organism are preserved and will be inherited. Darwin's theory suggested that there are variations
among individuals in a population and that these variations will help individuals to survive.
Answer:
(a) Muscle B contracts and muscle A relaxes
(b) The Heart
Answer:
There are plenty of things that we as individuals can do to slow down the amount of pollution going into the ocean, these could include not flushing anything down the toilet that won't disintegrate (because no matter where you live, all toilet pipes lead to the ocean), converting plastic use to reusable materials; this could include using reusable straws, water bottles, shopping bags, etc. and of course, when you need to throw plastic out, always recycle. :)
Explanation:
I believe the best way an individual can help the oceans is by converting plastics to reusable or at least eco-friendly products. If everyone made a conscious effort to do this, the oceans would be MUCH clearer.
Hope this helps!
Answer: According to the the law of Conservation of Matter, matter is neither created nor destroyed. ... When matter changes from one form to another, e.g., a portion of beef steak (beef protein) is eaten and digested, the macro-structure of the beef is broken by our digestive enzymes into its component amino acids.
Explanation:
