Question
Question 27
A cow grazing in a pasture is a:
Question 37
Match the four components of an ecosystem with appropriate examples of each.
a. producer: volvox, consumer: bacteria, decomposer: fungi, abiotic: water
b. producer: sunlight, consumer: man, decomposer: fungi, abiotic: C2O
c. producer: elodea, consumer: squirrel, decomposer: crayfish, abiotic: phosphates
d. producer: paramecia, consumer: omnivores, decomposers: bacteria, abiotic: water
a. producer.
b. carnivore.
c. primary consumer.
d. secondary consumer.
1 points
Question 28
Fungi break down substances allowing nutrients to _________.
a. photosynthesize
b. exit the ecosystem as heat
c. recycle in the ecosystem
d. become unavailable to the ecosystem
1 points
Question 29
The species name given each kind of organism within a genus is always a ________.
a. proper name
b. term based on age
c. name based on Latin
d. term based on size
1 points
Question 30
The leaflets appear oppositely on each side of the rachis of this ___________ ___________leaf.
a. palmate compound
b. opposite simple
c. pinnate compound
d. double pinnate compound
Question 24
Intestinal villi:
a. increase the surface area of the large intestine.
b. provide enzymes for fat digestion.
c. are the primary sites of nutrient absorption.
d. are one of the digestive system’s accessory organs.
Question 20
Which type of muscle movement occurs when the arm is bent at the elbow?
a. Abduction
b. Adduction
c. Flexion
d. Extension
Question 22
What is present in the litmus cream solution used in the lipase experiment?
a. a pH indicator and a substrate
b. an enzyme and a substrate
c. a pH indicator and an enzyme
d. free fatty acids and an active site
Question 31
Identification keys used to identify unknown organisms and based on successive choices between _____________ alternatives are known as dichotomous keys.
a. one
b. two
c. three
d. any number of
1 points
Question 32
All the organisms of the same species in one location is a:
a. community
b. consumers
c. trophic level
d. population
