Factors Influencing Growth

A(n) __________ is a chemical that affects growth and development in organisms

• hormone

• dormancy

• tropism

• stimuli

__________ is a plant hormone that speeds up the rate in which plant cells grow and controls a plant's response to light.

• Auxin

• Tropism

• Dormancy

• Metamorphosis

__________ refers to a plant's response toward or away from a stimulus.

• Tropism

• Photoperiodism

• Metamorphosis

• Auxin

A plant's response to seasonal changes in the length of night and day is called __________.

• photoperiodism

• dormancy

• metamorphosis

• tropism

Tags

NGSS.MS-LS1-5

__________ is a period when an organism's growth or activity stops.

• Dormancy

• Metamorphosis

• Tropism

• Photoperiodism

__________ is when an organism goes through major body changes as it develops.

• Metamorphosis

• Dormancy

• Photoperiodism

• Tropism

What are some factors that influence how organisms grow?

• genetics, resources, environment, response to stimuli

• genetics and environment only

• genetics, resources, and environment

Tags

NGSS.MS-LS1-5

What do plants and animals do to increase their odds for survival?

• they change over time, adapt to stimuli

• search for resources outside of their territory

• go through metamorphosis or dormancy

• increase hormone production

Tags

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Why have some trees evolved to go into a state of dormancy during winter months?

• to conserve energy when resources are limited

• to protect themselves from organisms who might feed on them

• to allow other trees to use up existing resources so they can thrive

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What are three factors that affect animal growth and development?

• environmental conditions, genes, and hormones

• environmental conditions, genes, and available resources

• environmental conditions, hormones, and adapting to stimuli

Tags

NGSS.MS-LS1-5

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