Spermatogenesis produces<span> four </span>gametes<span>, while </span>oogenesis produces one with two to three polar bodies left over. because oocytes contain not only genetic material but also mitochondria.
Answer:
She places one pot in a sunny window, one under normal classroom lights, and one in a dark room.
Explanation:
An independent variable is the only thing that changes in a proper experiment.
Gulls, crows and herons are all opportunists. They'll eat just about anything that they can get their beaks on. That includes fiddler crabs.
Answer:
Dosage and form in which the chemical is present are the factors that determine the level of harm of chemical on the environment.
Explanation:
Dosage usually mean amount of chemical. Some chemicals cause harm to the environment in a very low amount and some chemicals damage the environment when the amount is too high, these chemicals are not considered as toxic. Form of chemicals also affects its toxicity. Some chemicals are harmful in one state and beneficial in another state.