Question 1

A scientist discovers a new single-celled organism living in a hot spring. The organism lacks a nucleus and thrives in extreme temperatures. To which Domain does this organism most likely belong?

Accepted Answer

Archaea

Question 2

Which of the following best describes the process of homeostasis in living organisms?

Accepted Answer

Maintaining a stable internal environment despite external changes

Question 3

A population of insects develops resistance to a pesticide over several generations. Which biological process is primarily responsible for this change?

Accepted Answer

Natural selection

Question 4

Which of the following is the correct order of taxonomic classification from most inclusive to least inclusive?

Accepted Answer

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

Question 5

Which chemical is most important for providing the environment for most chemical reactions in living things?

Accepted Answer

Water

Question 6

A biologist is studying a group of organisms that can interbreed and produce fertile offspring. According to biological classification, this group is best described as a:

Accepted Answer

Species

Question 7

Which of the following is NOT one of the six characteristics of living things?

Accepted Answer

Spontaneous generation

Question 8

A student observes that when a plant is placed in sunlight, its leaves turn toward the light. In this scenario, what is the stimulus and what is the response?

Accepted Answer

Stimulus: sunlight; Response: leaves turning toward the light

Question 9

Which of the following best explains why water is essential for life?

Accepted Answer

It provides the environment for most chemical reactions

Question 10

Which of the following is an example of a heterotroph?

Accepted Answer

A mushroom decomposing a fallen log

Question 11

According to the rules of binomial nomenclature, which scientific name is written correctly?

Accepted Answer

Felis domesticus

Question 12

Which of the following best describes the role of decomposers in an ecosystem?

Accepted Answer

They break down wastes and dead organisms, returning raw materials to the environment

Question 13

A scientist is classifying a newly discovered organism. It is multicellular, has a nucleus, and obtains energy by consuming other organisms. To which Domain and nutritional group does it most likely belong?

Accepted Answer

Domain Eukarya; Heterotroph

Question 14

Which of the following best describes the process of adaptation?

Accepted Answer

A trait that increases an organism's chance of survival and reproduction in a particular environment

Question 15

In an energy pyramid, which group contains the most energy and forms the base?

Accepted Answer

Producers

Question 16

Which of the following is the correct formula for photosynthesis?

Accepted Answer

$$6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 17

Which of the following best explains why natural selection leads to evolution?

Accepted Answer

Because successful adaptations are passed down to offspring

Question 18

A population of frogs is separated by a newly formed river, and over many generations, the two groups develop different mating calls and cannot interbreed. This is an example of:

Accepted Answer

Speciation

Question 19

Which of the following is NOT a function of proteins in living organisms?

Accepted Answer

Providing the main energy source for cell activities

Question 20

Which of the following best describes a community in ecological terms?

Accepted Answer

All the populations of different species that live together in an area

Foundations of General Biology: Characteristics, Classification, and Ecology

Guida di studio - Domande di pratica

Study guide - Flashcard