consumer that feeds directly on producers

Which of the following would be considered a TERTIARY CONSUMER?

Which of the following would be considered a bias?

Look at the image and choose the correct answer.

A group of elephants gets stuck in mud at the edge of the river from a recent mud slide. A lion waits for an elephant to get tired before it attacks. What is the limiting factor to the elephant population?

Students of different ages were given the same puzzle to assemble. The puzzle assembly time was measured. The independent and dependent variables are?

Which of the following is accurate but NOT precise? (Real measurement: 2.01 cm.)

Which of the following would NOT be an example of sexual reproduction?

A lion and a cheetah attempt to occupy the same niche. The more aggressive lion survives; the cheetah does not.

Look at the image and choose the correct answer.

Look at the image and choose the correct answer.

A population of salamanders that live in a river require clear, fresh water to survive. New housing developments have caused tons of sediment to muddy the river. Which of these most likely will happen to the salamander population?

type of reproduction in which cells from two parents unite to form the first cell of a new organism