Q: In the context of energy flow in an ecosystem, which equation best represents the transformation of energy?

$$\text{Light energy} \rightarrow \text{Chemical energy} \rightarrow \text{Heat}$$

Question 1

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

Accepted Answer

Ability to photosynthesize

Question 2

Emergent properties in biology refer to:

Accepted Answer

Traits that arise from the interaction and arrangement of parts as complexity increases

Question 3

Which statement best describes the relationship between structure and function in biological systems?

Accepted Answer

Knowing the function of a biological structure provides insight into its structure and organization

Question 4

What is the smallest unit of organization that can perform all activities required for life?

Accepted Answer

Cell

Question 5

Which of the following is a correct statement about prokaryotic cells?

Accepted Answer

They lack a nucleus and other membrane-enclosed organelles

Question 6

Which process describes the conversion of genetic information from gene to cellular product?

Accepted Answer

Gene expression

Question 7

In the context of energy flow in an ecosystem, which equation best represents the transformation of energy?

Accepted Answer

$$	ext{Light energy} ightarrow 	ext{Chemical energy} ightarrow 	ext{Heat}$$

Question 8

Which of the following is an example of a consumer in an ecosystem?

Accepted Answer

A lion eating a zebra

Question 9

Why is energy flow through an ecosystem described as 'flow' rather than 'cycle'?

Accepted Answer

Because energy enters as light and exits as heat, and cannot be reused

Question 10

Which of the following is NOT a domain of life?

Accepted Answer

Protista

Question 11

A scientist observes that a plant grows faster in sunlight than in shade. She hypothesizes that light intensity affects plant growth. Which is the independent variable in her experiment?

Accepted Answer

Light intensity

Question 12

Which of the following is a testable scientific hypothesis?

Accepted Answer

Increasing temperature will speed up the rate of enzyme activity

Question 13

Which of the following best describes a scientific theory?

Accepted Answer

A broad explanation supported by a large body of evidence

Question 14

Which of the following is an example of qualitative data?

Accepted Answer

The leaves of the plant are green and waxy

Question 15

Which of the following is a correct sequence of biological organization from smallest to largest?

Accepted Answer

Molecule, cell, tissue, organ

Question 16

Which of the following is a plausible consequence of increased atmospheric $$\mathrm{CO_2$}$$ due to fossil fuel burning?

Accepted Answer

Increased frequency of extreme weather events

Question 17

Which of the following best explains why populations of many species are shrinking or disappearing?

Accepted Answer

Deterioration of habitats and insufficient suitable habitat

Question 18

Which of the following is an example of an interaction at the ecosystem level?

Accepted Answer

A lion eating a zebra and returning nutrients to the soil through waste

Question 19

Which of the following is true about the process of scientific inquiry?

Accepted Answer

It involves making observations, forming hypotheses, and testing them

Question 20

Which of the following is the correct two-part scientific name for humans?

Accepted Answer

Homo sapiens

Chapter 1: Evolution, the Themes of Biology, and Scientific Inquiry – Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards