The graph represents what has happened over an 8 year period, when non-native Nile perch were introduced to Lake Malawi in Africa. Based on the data, which statement is true?

A) The Nile perch is competitively excluding the pike cichlid.

B) The Nile perch and Pike cichlid probably do not compete for food.

C) There is probably commensalism between the Nile perch and the pike cichlid.

D) The Nile perch and Pike cichlid probably occupy different ecological niches.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements

the answer u all are looking for is 4000000000000000000000 million years.