Question 3
The ecosystem of the Gulf of Mexico includes sea urchins that live on the seafloor and eat manatee sea grass. An overpopulation of sea urchins can be
harmful to their ecosystem because which of the following could occur?
seagrass. An overpopulation of sea urchins can be harmful to their ecosystem because which of the following could occur?

Manatee seagrass would grow taller than usual.

Animals eat sea urchins would have more provided food

Temperature of the sea water would quickly rise

Resources needed by other animals would be greatly reduced.

Question 4
If humans cleared a forest and built homes where
the forest was once was, we would expect which of the following?

More development of soil

Fewer tree-dwelling animals

More frequent thunderstorms

Increased insect populations

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

Why did the settlement of east texas stop in the late 1710s

The persians landed in the plains near athens. as their army greatly outnumbered that of the greeks, the greeks hoped to find aid from nearby sparta. a long-distance runner named pheidippides was sent from athens to sparta to request , but the spartans were not able to send more soldiers at the time. regardless, the greeks were still able to win the battle. centuries later, legend developed that a runner had been sent from the battle to athens after the greek victory. after reaching athens, the runner proclaimed, "we are victorious! " and then fell to the ground and died. this legendary story is the inspiration for the modern long-distance runs that are performed today. this passage refers to the events of which battle during the persian wars? a. battle of thermopylae b. battle of salamis c. battle of plataea d. battle of marathon