A species of fish evolved over thousands of years to have gills that allowed the fish to swim deep in the sea. What’s the effect of this development on deep-water resources? The fish developed the gills because of . Because the fish are now able to swim in deep water, their in shallower water will have less food. Likewise, competition for food among deep-water fish that eat the same types of food will .

1.

A. genetic modification

B. hybridization

C. natural selection

2.

A . competitors

B. predators

c. prey

3

a .increase

b. decrease

C. not change

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.

I’m stuck on this question cuz i’m stupid sksksksk

What are examples of the plant life and animal life that can be found in each type of terrarium