Maria wants to know if birds prefer to eat in one place over another. She has three of the same bird feeders and fills them with the same amount of the same birdseed. She puts each of the feeders in her backyard: one feeder in a large dead tree, another feeder on the doghouse, and the last feeder in a small tree. She measures the amount birdseed eaten from each bird feeder after 5 days. What is the dependent variable?

(A) Amount of birdseed eaten
(B) Amount of time feeders are outside
(C) Locations of the bird feeders
(D) Type of bird seed

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.