Select the correct answer.

Which feature is an example of physiological adaptation?

A.

beak sizes of birds

B.

octopuses' ability to squirt ink

C.

communicating in sign language

D.

school of fish in the sea

E.

length of animals' ears

In some countries, up to 30% of the food harvested is lost to spoilage due to pest infestation and contamination. In hot and humid climates, spoilage due to rot is especially a concern.

Which phrase describes how Jupiter and Saturn similar

An organism that can not make its own food

Explain why electric current doesn’t flow through rubber

A television with a price of $360 is to be purchased with an initial payment of $30 and weekly payments of $40. Find the number of weekly payments, w, required to complete the purchase, assuming there are no taxes or fees.

F (x) = x2 + 1 g (x) = 5 - x (f + g) (x) =

What is the highest math level needed for the SAT?

The wheels on your car are spinning at 625 revolutions per minute. The car travels 8 feet every time the wheels spin around 1 revolution. How many miles per hour are you traveling? Round to the nearest integer.

One of the same side angles of two parallel lines is 20° smaller than the other one. Find all angles.

A deep and meaningful kind of sharing between two people