Ecological Communities - Discover Biology | Biology+

Course

Introductory Biology

Study Pack

Set 1: The Nature of Science and the Characteristics of Life

Set 2: Biological Diversity, Bacteria, and Archaea

Set 3: Protista, Plantae, and Fungi

Set 4: Animalia

Set 5: The Chemistry of Life

Set 6: Cell Structure and Internal Compartments

Set 7: Cell Membranes, Transport, and Communication

Set 8: Energy, Metabolism, and Enzymes

Set 9: Photosynthesis and Cellular Respiration

Set 10: Cell Division

Set 11: Stem Cells, Cancer, and Human Health

Set 12: Patterns of Inheritance

Set 13: Chromosomes and Human Genetics

Set 14: Dna and Genes

Set 15: From Gene to Protein

Set 16: Dna Technology

Set 17: How Evolution Works

Set 18: Evolution of Populations

Set 19: Speciation and the Origins of Biological Diversity

Set 20: The Evolutionary History of Life

Set 21: The Biosphere

Set 22: Growth of Populations

Set 23: Ecological Communities

Set 24: Ecosystems

Set 25: Global Change

Set 26: Internal Organization and Homeostasis

Set 27: Nutrition and Digestion

Set 28: Circulation and Gas Exchange

Set 29: Animal Hormones

Set 30: Nervous and Sensory Systems

Set 31: Skeletons, Muscles, and Movement

Set 32: Defenses Against Disease

Set 33: Reproduction and Development

Set 34: Animal Behavior

Set 35: Plant Structure, Nutrition, and Transport

Set 36: Plant Growth and Reproduction

Set 23 Ecological Communities

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Set 23 Ecological Communities

(Multiple Choice)

Free

Do humans exhibit any mutualistic relationships?

A)No; humans can only develop parasitic relationships with other organisms.
B)Yes; humans host disease pathogens that limit population growth and overcrowding.
C)No; humans are unable to form mutualistic relationships with other organisms.
D)Yes; humans host beneficial bacteria within our digestive systems.

Answer

(Multiple Choice)

Free

In seed-dispersal mutualism, plants produce _____ to entice consumers to disperse the plant's seeds.

A)attractive aromas
B)fleshy fruits
C)edible pollen
D)nectar

Answer

(Multiple Choice)

Free

An animal eats fruit from a plant and later deposits seed in its feces far from the plant. This is an example of a

A)pollinator mutualism.
B)gut inhabitant mutualism.
C)behavioral mutualism.
D)none of the above

Answer