Biology Chapter 1 Flashcards

Questions and Answers

All the organisms on your campus make up

an ecosystem

a taxonomic domain

a population

a community (correct)

an experimental group

Which of the following is a correct sequence of levels in life's hierarchy, proceeding downward from an individual animal?

organ system, tissue, molecule, cell

nervous system, brain, nervous tissue, nerve cell (correct)

organism, organ system, tissue, cell, organ

Organ system, nervous tissue, brain

brain, organ system, nerve cell, nervous tissue

Which of the following is NOT an observation or inference on which Darwin's Theory of natural selection is based?

a population can become adapted to its environment over time

Individuals whose inherited characteristics best fit them to the environment will generally produce more offspring

poorly adapted individuals never produce offspring (correct)

there is a heritable variation among individuals

because of overproduction of offspring, there is a competition for limited resources

Systems in biology is mainly an attempt to

understand the behavior of entire biological systems Signup and view all the answers

Protists and bacteria are grouped into different domains because

protists have a membrane bound nucleus, which bacterial cells lack Signup and view all the answers

Which of the following best demonstrates the unity among all organisms?

the structure and function of DNA Signup and view all the answers

A controlled experiment is one that

tests experimental and control groups in parallel Signup and view all the answers

Which of the following statements best distinguishes hypotheses from theories in science?

hypotheses usually are relatively narrow in scope; theories have broad explanatory power Signup and view all the answers

Which of the following is an example of qualitative data?

the fish swam in a zigzag motion Signup and view all the answers

Which of the following best describes the logic of scientific inquiry?

if my hypothesis is correct, I can expect certain test results Signup and view all the answers

Study Notes

Organisms and Communities

All organisms on a campus form a community, distinct from ecosystems, populations, and experimental groups.

Biological Hierarchy

The correct sequence in the biological hierarchy from an individual animal is nervous system, brain, nervous tissue, nerve cell, emphasizing the structural organization complexity.

Darwin's Theory of Natural Selection

A key observation of Darwin’s theory is that poorly adapted individuals do not always fail to produce offspring. Other factors include heritable variation, competition for resources, and adaptative success.

Systems Biology

The main goal of systems biology is to understand the behavior of entire biological systems, by integrating various components rather than simplifying down to individual units.

Domains of Life

Protists and bacteria differ as protists have a membrane-bound nucleus, illustrating the fundamental cellular distinctions between the two domains.

Unity Among Organisms

The structure and function of DNA serve as a common feature that highlights the unity across all organisms, showcasing genetic similarities.

Controlled Experiments

In a controlled experiment, it is crucial to test experimental and control groups in parallel to obtain reliable comparisons and results.

Hypotheses vs. Theories

Hypotheses are generally narrow in scope, while theories have broad explanatory power, distinguishing them in scientific discourse.

Qualitative vs. Quantitative Data

An example of qualitative data is an observable action, such as the fish swimming in a zigzag motion, contrasting with quantitative data which involves numerical measurements.

Scientific Inquiry Logic

The logic of scientific inquiry posits that if a hypothesis is correct, certain test results can be expected, guiding the predictive nature of experimental science.

Description

Test your knowledge of Chapter 1 in Biology with these flashcards. Covering concepts such as ecosystems, communities, and levels of life's hierarchy, this quiz is designed to reinforce your understanding of fundamental biological principles.