Q: Which equation best represents the flow of energy through an ecosystem?

$\text{Sunlight} \rightarrow \text{Producers} \rightarrow \text{Consumers} \rightarrow \text{Heat}$

Question 1

Which of the following is NOT considered one of the core properties of life?

Accepted Answer

Photosynthesis

Question 2

In the hierarchy of biological organization, which level comes directly after 'organ system'?

Accepted Answer

Organism

Question 3

Which domain includes organisms with simple cells that lack a nucleus?

Accepted Answer

Both Bacteria and Archaea

Question 4

A scientist observes that mice with fur color matching their environment are attacked less by predators. What is the most appropriate next step in the scientific method?

Accepted Answer

Formulate a hypothesis explaining the observation

Question 5

Which of the following best describes a controlled experiment?

Accepted Answer

An experiment where the independent variable is manipulated and other variables are kept constant

Question 6

Which statement about scientific theories is correct?

Accepted Answer

A theory is supported by a large body of evidence and can be tested by repeatable experiments

Question 7

Which of the following is an example of evolutionary adaptation?

Accepted Answer

A population of insects developing resistance to a pesticide over generations

Question 8

In the mouse camouflage experiment, what was the dependent variable?

Accepted Answer

The number of predator attacks on the decoys

Question 9

Which equation best represents the flow of energy through an ecosystem?

Accepted Answer

$	ext{Sunlight} ightarrow 	ext{Producers} ightarrow 	ext{Consumers} ightarrow 	ext{Heat}$

Question 10

Which of the following best illustrates the relationship between structure and function in biology?

Accepted Answer

The shape of a protein determines its ability to interact with other molecules

Question 11

Which process is responsible for the cycling of matter in an ecosystem?

Accepted Answer

Decomposers breaking down organic material

Question 12

Which of the following is a correct statement about the three domains of life?

Accepted Answer

Bacteria and Archaea both consist of prokaryotic cells

Question 13

A scientist wants to test the effect of fertilizer on plant growth. Which is the independent variable?

Accepted Answer

Amount of fertilizer applied

Question 14

Which of the following best describes 'emergent properties'?

Accepted Answer

Characteristics that arise from the arrangement and interactions among components of a system

Question 15

Which of the following is an example of information flow in biological systems?

Accepted Answer

DNA providing instructions for protein synthesis

Question 16

Which of the following is a correct application of the scientific method?

Accepted Answer

Testing a hypothesis by conducting repeatable controlled experiments

Question 17

Which of the following best explains why red pandas are placed in their own family?

Accepted Answer

DNA sequence comparisons show they are distinct from other pandas

Question 18

Which of the following is an inference that can be made from Darwin's observations on natural selection?

Accepted Answer

Individuals with advantageous traits are more likely to survive and reproduce

Question 19

Which of the following is a real-world example of descent with modification?

Accepted Answer

The evolution of antibiotic resistance in bacteria

Question 20

Which of the following best describes the role of peer review in the scientific process?

Accepted Answer

It ensures that research findings are critically evaluated by other experts before publication

Biology: Exploring Life – Chapter 1 Study Notes

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