At one time, scientists classified all organisms into two main categories — plants and animals. Using this system, plants, such as maple trees, and fungi, such as mushrooms, were grouped together. Plants and fungi are now classified in different categories or kingdoms. What is one reason for this change? A. Plants are unicellular. B. Fungi are unable to perform photosynthesis. C. Plants are unable to perform cellular respiration. D. Fungi are autotrophic.

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.