Unit 2 & 3 Test Review

What is lost at each trophic level in an energy pyramid?

• Water

• Energy

• Carbon

• Nitrogen

Tags

NGSS.MS-LS2-3

What is the first level in an energy web/chain?

• Consumers

• Decomposers

• Producers

• Predators

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How do most organisms obtain life-essential nitrogen?

• Through photosynthesis

• By consuming plants or other organisms

• By absorbing it from the air

• Through respiration

What is mutualism?

• A relationship where one organism benefits and the other is harmed

• A relationship where both organisms benefit

• A relationship where one organism benefits and the other is unaffected

• A relationship where both organisms are harmed

Tags

NGSS.MS-LS2-2

Which biomolecule is the main source of energy for living organisms?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Tags

NGSS.MS-LS1-7

Which biomolecule is important for building cell membranes?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

What is an example of a carbohydrate?

• DNA

• Glucose

• Cholesterol

• Hemoglobin

What are homologous structures?

• Structures with similar functions but different origins

• Structures with different functions but similar origins

• Structures with no function

• Structures that are identical in all species

Tags

NGSS.MS-LS4-2

Which species are more related based on amino acid sequences?

• Species A and C

• Species B and C

• Species A and B

• All species are equally related

Tags

NGSS.MS-LS4-2

What is the evidence of evolution shown by developmental homologies?

• Differences in adult forms

• Similarities in embryonic development

• Differences in DNA sequences

• Similarities in habitat

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3