Choose the One Most Appropriate Response for Each

question 72

Multiple Choice

Choose the one most appropriate response for each.
-blood

• A)comprises ligaments and tendons
• B)contains collagen and elastin in a disordered gel-like matrix underlying most epithelia
• C)receives, conducts, and initiates signals in response to environmental changes
• D)stores fat
• E)offers resistance to mechanical injury and loss of internal fluids; also a barrier against microorganisms
• F)secretes extracellular products such as milk, mucus, tears, and saliva through ducts
• G)fluid ground substance plus free cells; involved in transport, pH, and temperature stability
• H)extracellular fluid that bathes cells and tissues

Explain how species diversity and community structure are quantified using indices like the Shannon index.

Describe the effects of species introduction and removal on community structure and diversity.

Identify the roles of various organisms within the community, including pollinators, scavengers, and detritivores.

Understand the factors influencing species dispersal, establishment, and community membership.

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Definitions:

Orexin

A neuropeptide that regulates arousal, wakefulness, and appetite.

Embryo

An early stage of development in multicellular organisms after fertilization, during which the organism undergoes rapid cell division and differentiation.

Toxins

Substances that are poisonous or harmful to organisms, produced naturally by living things or created artificially.

Serving Size

A standardized amount of food that helps determine nutritional content, often used for dietary guidelines and food labeling.