Biology Semester 1 Final

A relationship where one organism gets all its nourishment from a host is known as

• mutualism

• parasitism

• communelism

• cohabitation

A strawberry plant is a

• heterotroph

• herbivore

• producer

• carnivore

A bear eats meat and berries, this makes a bear a

• carnivore

• herbivore

• omnivore

• producer

A diagram that shows all the feeding relationships in an ecosystem is called a

• food chain

• food web

• food pyramid

• ecological pyramid

when this species goes away the entire ecosystem can collapse

• biostone species

• keystone species

• in species

• out species

what is the main source of energy for all life?

• ATP

• sunlight

• chemicals

• proteins

organisms that obtain energy from sunlight or chemicals and use that energy to produce sugars are called

• heterotrophs

• carnivores

• producers

• omnivores

a snakes eats a frog that has eaten an insect that fed on a plant. which is the primary consumer?

• insect

• snake

• frog

• plant

which of the following cell structures or organelles act as the skin of the cell?

• ribosomes

• cell membrane

• nucleolis

• mitochondria

which of the following cell structures or organelles refers to all the cellular material inside the plasma membrane, other than the nucleus?

• mitochondria

• nucleolis

• cytoplasm

• ribosomes