1.2: Life's Unity

Question 1

Producers

Answer 1

Energy inputs fro the environment flow through producers, then consumers. All energy that entered this ecosystem eventually flow out of it, mainly as heat.

Question 2

Consumers

Answer 2

Nutrients get concentrated in producers and consumers. Some nutrients released by decomposition may be cycled back to the producers.

Question 3

Nutrient

Answer 3

A particular type of atom or molecule that has an essential role in growth and survival.

Question 4

Energy

Answer 4

The capacity to do work.

Question 5

Receptor

Answer 5

A molecule or cellular structure that responds to a specific form of stimulation, such as energy of a bite.

Question 6

Homeostasis

Answer 6

By sensing and adjusting to change, organisms keep conditions in their internal environment within the range that favours cell survival.

Question 7

Inheritance

Answer 7

The transmission of DNA from parents to offspring.

Question 8

Reproduction

Answer 8

Refers to the actual mechanisms by which parents transmit DNA to offspring.

Question 9

Development

Answer 9

The orderly transformation of the first cell of a new individual into an adult.