Q: Which equation best represents the flow of energy in a food chain?

$$\text{Sun} \rightarrow \text{Producer} \rightarrow \text{Consumer} \rightarrow \text{Decomposer}$$

Question 1

Which of the following best defines an organism?

Accepted Answer

Any living thing that can carry out life processes independently

Question 2

Which of the following is NOT a characteristic shared by all living things?

Accepted Answer

Having a nucleus

Question 3

Which of the following is an example of a multicellular organism?

Accepted Answer

A human

Question 4

Which chemical is most commonly found in living things and is essential for most biochemical reactions?

Accepted Answer

Water ($$H_2O)$$

Question 5

Which process best describes how living things respond to their environment?

Accepted Answer

Homeostasis

Question 6

Which statement best explains the difference between growth and development in living organisms?

Accepted Answer

Growth refers to an increase in size, while development refers to changes in form and function over time.

Question 7

Which of the following is an example of spontaneous generation, a theory now disproven?

Accepted Answer

Maggots appearing on decaying meat without eggs being present

Question 8

Which is the correct order of taxonomic ranks from broadest to most specific?

Accepted Answer

Kingdom, Phylum, Class, Order, Family, Genus, Species

Question 9

Which domain includes organisms with cells that lack a nucleus?

Accepted Answer

Bacteria

Question 10

What is the primary function of a dichotomous key?

Accepted Answer

To identify organisms based on a series of choices between two characteristics

Question 11

Which of the following is an example of binomial nomenclature?

Accepted Answer

Homo sapiens

Question 12

Which scientist is most closely associated with the theory of evolution by natural selection?

Accepted Answer

Charles Darwin

Question 13

Which of the following best describes natural selection?

Accepted Answer

The process by which organisms with traits best suited to their environment survive and reproduce

Question 14

In a population of beetles, green beetles are eaten more often by birds than brown beetles. Over time, the population becomes mostly brown. Which concept does this scenario best illustrate?

Accepted Answer

Natural selection

Question 15

Which of the following is NOT a level of biological organization?

Accepted Answer

Kingdom

Question 16

Which of the following best describes the role of a decomposer in an ecosystem?

Accepted Answer

Breaks down dead organisms and recycles nutrients

Question 17

Which equation best represents the flow of energy in a food chain?

Accepted Answer

$$	ext{Sun} ightarrow 	ext{Producer} ightarrow 	ext{Consumer} ightarrow 	ext{Decomposer}$$

Question 18

Which of the following is the correct sequence for classifying a newly discovered organism using a dichotomous key?

Accepted Answer

Observe characteristics, answer paired questions, follow the key to identification

Question 19

Which of the following best explains why scientific names are used instead of common names?

Accepted Answer

Scientific names are universal and reduce confusion caused by regional common names

Question 20

Which of the following is NOT a domain of life?

Accepted Answer

Protista

Study Guide: Life Science Unit 2 – Living Things & Evolution

Guida di studio - Domande di pratica

Study guide - Flashcard