GRADE 7 2025 REVIEW Classifying Organisms: A Deeper Look

Which of the following characteristics is used to classify organisms into the same group?

• Color

• Similar DNA sequences

• Habitat

• Diet

Why are birds and reptiles classified in the same group?

• They both have feathers.

• They both lay eggs.

• They both have scales.

• They both have warm blood.

Tags

NGSS.MS-LS4-2

Explain why mammals and birds are placed in different classes despite both being warm-blooded.

• Mammals have fur, while birds have feathers.

• Mammals lay eggs, while birds do not.

• Mammals have a four-chambered heart, while birds do not.

• Mammals have scales, while birds have feathers.

Tags

NGSS.MS-LS4-2

Which of the following is a reason why amphibians are classified separately from reptiles?

• Amphibians have dry skin.

• Amphibians have a three-chambered heart.

• Amphibians undergo metamorphosis.

• Amphibians lay eggs on land.

Discuss the importance of using physical characteristics in the classification of organisms.

• Physical characteristics are easy to observe.

• Physical characteristics are the only way to classify organisms.

• Physical characteristics help in identifying evolutionary relationships.

• Physical characteristics are not reliable for classification.

Tags

NGSS.MS-LS4-2

Evaluate the role of environmental factors in the classification of organisms.

• Environmental factors are the primary basis for classification.

• Environmental factors have no role in classification.

• Environmental factors can influence physical traits used in classification.

• Environmental factors are more important than genetic factors in classification.

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NGSS.MS-LS1-5

Which of the following is a common characteristic used to classify plants?

• Type of root system

• Color of flowers

• Presence of chlorophyll

• Height of the plant

Why is it important to classify organisms into groups?

• To make it easier to study and understand biodiversity

• To reduce the number of species

• To eliminate the need for scientific names

• To increase the complexity of biological studies

Tags

NGSS.MS-LS4-2

Analyze how the classification of organisms has changed over time with new scientific discoveries.

• Classification has remained the same since ancient times.

• Classification has become less detailed over time.

• Classification has evolved with new genetic and molecular evidence.

• Classification is no longer necessary due to technological advances.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

NGSS.MS-LS4-4

Which of the following is a reason why fungi are classified separately from plants?

• Fungi have chlorophyll.

• Fungi are autotrophic.

• Fungi obtain energy by being decomposers

• Fungi perform photosynthesis.