SCI8_Biology_4TH_QTR

What is the term for the process where digested nutrients move from the digestive tract into the bloodstream?

• Ingestion

• Digestion

• Absorption

• Excretion

Which of the following represents the broadest level of biological classification?

• Kingdom

• Phylum

• Domain

• Class

In a simple food chain of grass -> rabbit -> fox, what role does the rabbit play?

• Producer

• Primary consumer (herbivore)

• Secondary consumer (carnivore)

• Decomposer

What is the primary function of the large intestine in the digestive system?

• To digest proteins

• To absorb most nutrients

• To absorb water and electrolytes

• To produce digestive enzymes

A forest with many different types of trees, birds, insects, and fungi would be described as having:

• Low genetic diversity

• High species diversity

• Low ecosystem diversity

• High genetic uniformity

Organisms in the Domain Eukarya are characterized by having:

• A cell wall made of peptidoglycan

• No nucleus

• A true nucleus enclosed in a membrane

• Simple, circular DNA

What is the initial site of chemical digestion for carbohydrates in the human body?

• Stomach

• Small intestine

• Mouth

• Esophagus

The variety of different habitats and ecological processes within a region is known as:

• Genetic diversity

• Species richness

• Ecosystem diversity

• Population density

In a food web, if the population of a predator significantly decreases, what is the likely immediate effect on its prey population?

• The prey population will also decrease.

• The prey population will likely increase.

• The prey population will remain unchanged.

• The prey population will become extinct.

To which kingdom do multicellular eukaryotic organisms that are heterotrophic and lack cell walls belong?

• Plantae

• Fungi

• Protista

• Animalia