The female mosquito is the one that bites (males feed on flower nectar). She requires blood to produce eggs.
Answer:
B. Organisms in each ecological system have evolved in that system and have adaptations suited for that environment.
Explanation:
According to natural selection theory, organisms need to continuously adapt and evolve within an environment or risk being wiped away from that environment.
Organisms that are not able to adapt to an environment are gradually replaced by those that have the capability to adapt and survive in that environment.
Those that are able to survive go ahead to reproduce and give rise to offspring with inherent ability to survive while those that cannot survive die off.
The correct option is B.
Answer:
The salinity of water increases as you move from inland areas out towards to ocean.
Explanation:
Salinity refers to the concentration of salt in the water. The salinity of water increases as you move from inland areas out towards to ocean because the ocean has high salinity than the inland areas. That is it can be said that the ocean contains brackish water. Brackish water has more concentration of salt than freshwater.