Which of the following describes a possible effect that an increase in carbon dioxide in the atmosphere would have on an ecosystem?
Oa
Ob
Plant productivity would completely stop because plants cannot use carbon dioxide for life processes.
Plant productivity would increase because more carbon dioxide would be available for photosynthesis.
Animal productivity would increase because more carbon dioxide would be available for cellular respiration
All of the organisms would immediately die because carbon dioxide is poisonous to both plants and animals.
Oc
Od

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?