Biology Review

Open Ended

Why is it important for organisms to maintain stable internal conditions even when their external environment changes?

Multiple Choice

Which of the following best describes the process of evolution?

• A sudden change in an individual organism's traits

• A gradual change in populations over time due to inherited adaptations

• A temporary change in behavior to survive a season

• A change caused only by environmental disasters

Open Ended

What is the difference between a unicellular organism and a multicellular organism?

Fill in the Blanks

Fill in the blank: The smallest unit of matter that forms a chemical element is called an

.

Multiple Choice

Which of the following correctly lists the first three levels of biological organization from simplest to most complex?

• Atom, molecule, macromolecule

• Molecule, atom, macromolecule

• Macromolecule, molecule, atom

• Atom, macromolecule, molecule

Multiple Choice

Which of the following is considered the basic unit of all living things?

• Cell

• Tissue

• Organ

• Organ system

Multiple Select

Which of the following are examples of organs?

• Heart

• Blood

• Muscle

• Stomach

Fill in the Blanks

Fill in the blank: The digestive system is an example of an organ

that supplies the body with nutrients needed for growth and repair.

Open Ended

Compare unicellular and multicellular organisms, giving an example of each.

Multiple Choice

Which of the following best describes a habitat?

• A group of organs working together

• A collection of similar cells

• The physical environment an organism adapts to and survives in

• A single-celled organism

Multiple Select

Which of the following are components that define an organism's niche?

• Food it eats

• How it gets food

• Range of temperature needed for survival

• All of the above

Multiple Choice

Which of the following best describes an organism's niche?

• The physical place where it lives

• Its occupation or role and how it uses conditions to exist

• The amount of food it eats

• The number of offspring it produces

Fill in the Blanks

Populations of plants and animals that interact with each other and with abiotic components in a given area form an

.

Open Ended

What is the main difference between biotic and abiotic factors in an ecosystem?

Fill in the Blanks

A

is a group of similar ecosystems with the same general abiotic factors and primary producers.

Multiple Choice

Which of the following best describes the biosphere?

• The portion of Earth that supports life

• The Earth's atmosphere only

• The Earth's core

• The Earth's crust only

Open Ended

Discuss the steps atoms go through to form cells.

Multiple Select

Which of the following are types of cells found in the human body?

• Stem cells

• Bone cells

• Blood cells

• Muscle cells

Fill in the Blanks

All cells arise from

cells.

Multiple Choice

Which of the following structures is found in eukaryotic cells but not in prokaryotic cells?

• Nucleus

• Cell wall

• Ribosome

• Cytoplasm

Open Ended

Compare and contrast prokaryotic and eukaryotic cells based on their structure and where they are found.

Multiple Choice

Which of the following best describes the process of evolution as shown in the diagram?

• A gradual change in populations over time due to inherited adaptations

• A sudden change in an individual organism's traits

• The process of maintaining internal balance in an organism

• The loss of all adaptations in a species

Open Ended

What is homeostasis and why is it important for living organisms?