Answer: Remora fish and sharks
Explanation:
Commensalism is the biological association between two organisms whereby one benefits and the other is neither harmed nor benefitted.
A good example is Remora fish and sharks. The remora fish attaches itself to the shark bodies and feed on crumbs of leftovers food eaten by the shark, also get protection from the shark, while the shark is absolutely unaffected.
Answer:
1st blank: four nitrogenous bases each. (cytosine, adenine, and guanine)
2nd blank: DNA had thymine
3rd blank: RNA has uracil
Answer:
The testes produce spermatocytes (sperm) while ovaries produce oocytes (ova)
Explanation:
They are produced by the process of meiosis I on the parent cell than meiosis II. In the testes, the process is called spermatogenesis while in ovaries the process is referred as oogenesis. These processes are regulated by gonadotropins Follicle Stimulating Hormone and Luteinizing Hormone.
Adaptation is a response to the environment but long term.
For example:
A wolf has a fur coat as an adaptation to the cold weather, but birds migrating south is a response to cold weather.
