One difference between a bacterial cell and a plant cell is that a bacterial cell lacks a nucleus.

Bacterial cells lack a nucleus.

The study of heredity in science is called genetics.

Genetics is the study of heredity.

In human body cells, chromosomes are found in pairs.

Chromosomes in human body cells are found in pairs.

Sexual reproduction involves two parents, and offspring tend to be different from one another and the parents.

In sexual reproduction, two parents are involved, and offspring are different from each other and the parents.

Evolution is best defined as a process of change in a species over a period of time.

Evolution refers to the process of change in a species over time.

One allele comes from the father, the other from the mother in a pair of alleles.

In a pair of alleles, one comes from the father and the other from the mother.

An organism with two identical alleles for a trait is called homozygous.

Homozygous refers to having two identical alleles for a trait.

For the recessive trait "r" to show in the offspring, the offspring must have the alleles rr.

The recessive trait "r" shows when the offspring has the alleles rr.

In a certain species of Guinea pig, if hybrid dark-coated males are mated with white-coated females, the expected phenotype percentage is 50% dark, 50% white.

The expected phenotype percentage is 50% dark, 50% white when hybrid dark-coated males are mated with white-coated females.

A scientist would most likely use a Punnett square to identify an offspring’s probability of having a certain genotype.

Punnett squares are used to predict genetic variations in offspring.

The part of Darwin’s theory that states there are small differences between parents and offspring is called Variation.

Variation refers to the differences in traits among individuals of the same species.

Natural selection describes a theory of evolution where organisms are born with favorable characteristics that allow them to survive in certain environments.

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.

A mouse with tan fur that blends with sandy beaches is an example of Adaptation.

Adaptation is a trait that helps an organism survive and reproduce in its environment.

Fossils may provide evidence of evolution, how long ago an organism lived, and the type of environment that existed.

Fossils are crucial for understanding the history of life on Earth.

Most fossils are found in sedimentary rock.

Sedimentary rocks are formed by the accumulation of sediments and are often where fossils are preserved.

The phenotype of a mouse can be best determined by looking at it.

Phenotype refers to the observable characteristics of an organism.

The genetic makeup of an organism is its genotype.

Genotype is the genetic constitution of an individual organism.

Genetic principle where a cross between a red-flowered plant and a white-flowered plant produces pink-flowered offspring.

Blending (Incomplete Dominance)

Type of inheritance when a long-shaped squash is crossed with a round-shaped squash, resulting in oval-shaped offspring.

Blending (Incomplete Dominance)

Diagram of rock layers labeled A to E with fossils and textures.

Identify the first layer of rock to be formed in the area.

Observation of a plant that supports photosynthesis.

A green color indicates photosynthesis can take place.

Statement about water in a graduated cylinder.

The statement "the graduated cylinder contains 150 mL of water" is an observation.

Mixing baking soda and vinegar.

Bubbles of carbon dioxide form, indicating a chemical reaction.

This diagram is called a Pedigree chart.

A Pedigree chart shows inheritance patterns of traits.

Brown eye color is dominant over blue eye color.

This is a genetic trait relationship.

Ice melting is an example of a physical change.

Physical changes involve changes in state without altering the substance.

Cell → tissue → organ → organ system

This sequence shows the levels of organization in a human body.

The part of a factory most similar to the nucleus of a living cell.

The computer room that controls the assembly process.

The correct statement about labeled cell structures.

They help carry on life activities within the cell.

Function of a cell vacuole.

Used for storage of nutrients and waste.

Biology Concepts Flashcards Flashcards

Student preview

100 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Invention of the microscope

Back

The invention helped scientists develop the cell theory.

2.

FLASHCARD QUESTION

Front

Cellular respiration releases

Back

Carbon dioxide.

3.

FLASHCARD QUESTION

Front

Correct order of the Scientific Method

Back

Observation, hypothesis, experiment, conclusion.

4.

FLASHCARD QUESTION

Front

Scientific theory

Back

A theory is an explanation that has been tested many times and can be proven false by experimental evidence.

5.

FLASHCARD QUESTION

Front

Observation example

Back

The sky is overcast, and it is raining.

6.

FLASHCARD QUESTION

Front

Part of an experiment with normal conditions

Back

Control.

7.

FLASHCARD QUESTION

Front

Organelle in a plant cell that traps energy from the sun

Back

Chloroplast.

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