Question

check my answers please

Answer 1

In a forest ecosystem, a species of bird was introduced. The birds had few predators, and for a period of time its population rose steadily and then roughly leveled off. Which of the following conclusions provides the best explanation for this phenomenon?

A) A predator of the birds entered the ecosystem, causing the bird population to level off.
B) Migration of birds into the ecosystem began to decline, and emigration began to increase.
C) Another species of bird was introduced, and the two species competed for nesting sites and food.
D) The ecosystem reached its carrying capacity, and was not able to support continued population growth. <-- my choice

Answer 2

@asnaseer @hartnn can you help if not can you tag someone who can?

Answer 3

Letter D, carrying capacity is when the population reaches its potential limit. Hope this helps :)

Answer 4

@DJPatrickStar do you mind checking more....sorry i went to eat really quick and thanks and @pooja195 he didn't give direct answer read my question again I already got the answer just needed someone t check it

Answer 5

Okay @pooja195 I will explain next time. I was checking her answer so she could have a correct grade. If checking, wouldn't a direct answer be acceptable? Thanks :)

Answer 6

Anything else you need help with?

Answer 7

@DJPatrickStar yes and sorry i keep loosing connection

Answer 8

In the Arctic Ocean, there are very few large aquatic plants. Which of the following best explains why?

Sea ice decreases the salinity of the water to a level not suitable for plants.
Plants have a difficult time surviving due to long periods of darkness. <--- my choice
Plants are unable to attach to the deep sea floor.
Currents are too strong for plants to survive.

Answer 9

1) Plants would have a difficult time surviving due to long periods of darkness.
Due to the North pole, the time is different, so there would be a massive amount of darkness, kinda like Alaska (my reason) :/

Answer 10

okay thanks