On Cool Mornings, Some Species of Bumblebee Are Able to Generate

question 21

Multiple Choice

On cool mornings, some species of bumblebee are able to generate heat from their flight muscles. This heat warms their bodies so that they are able to fly at relatively cold temperatures and thus seek out flowers and mates earlier than most other insects. Both bumblebees and honeybees feed on nectar, which is a sugar-rich fluid produced by many flowers. The nectar that bumblebees feed on is an example of a(n) __________.

• A) carbohydrate
• B) protein
• C) amino acid
• D) peptide

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Definitions:

Immune System

The complex network of cells, tissues, and organs that protects the body against infections and diseases.

Stressors

Stressors are external stimuli or events that cause stress, challenging an individual's ability to cope.

Crowding

A situation characterized by a high density of people in a given space, which can lead to psychological distress or social tension.

Hardy

Refers to an individual's durability or resilience under stress or adversity, often discussed in psychological contexts.