Life Science Review Game Question Preview (ID: 40478)


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Which of these is most likely the result of weasels and foxes depending on the same  food source?
a) The populations will compete with each other.
b) One of the populations will become herbivores.
c) Birthrates for both populations will increase.
d) New species of prey will evolve in the area.

 Which of these is a product of photosynthesis?
a) Hydrogen
b) Carbon
c) Nitrogen
d) Oxygen

Which gas do animals need to carry out life processes?
a) Carbon dioxide
b) Oxygen
c) Helium
d) Carbon monoxide

Organisms that absorb nutrients from dead plants and animals are called —
a) herbivores
b) producers
c) decomposers
d) carnivores

Chloroplasts are found only in organisms that are able to —
a) hunt for prey
b) generate their own energy
c) grow to a larger size
d) migrate to other ecosystems

Which characteristic is used to classify frogs into a different phylum from squid, snails,  and jellyfish?
a) Frogs have backbones.
b) Frogs live on land.
c) Frogs are predators.
d) Frogs breathe oxygen.

Which of these is the best description of a typical organism in the Plant kingdom?
a) Is unicellular
b) Lacks a nucleus
c) Makes its own food
d) Lacks a cell wall

Place the terms in the order of the simplest level of organization to the most complex.
a) Cell, Organ, Tissue, System
b) System, Cell, Tissue, Organ
c) Cell, Organ, Tissue, System
d) Organ, Tissue, System, Cell

A student recorded the temperature of an aquarium each hour for 8 hours. Which of  these will best display the data the student collected?
a) Bar graph
b) Circle graph
c) Picture graph
d) Line graph

When comparing a plant cell to an animal cell, only the plant cell will contain —
a) ribosomes
b) chromosomes
c) chloroplasts
d) mitochondria

What is the role of the Orcan in this food chain? Seaweed--^Fishes--^Sea otter--^ Orca
a) Second-order consumer
b) First-order consumer
c) Producer
d) Third-order consumer

Which organisms are producers?
a) Grass, Shrew, Snake
b) Tree, Shrub, Grass
c) Wolf, Hawk. Snake
d) Rabbit, Grasshopper. Shrew

Zebras and tick birds have a relationship in which the tick birds alert the  zebras that predators are near as well as remove and eat ticks found on zebras. What  is the primary type of interaction between the tick birds and the zebras?
a) Mutualism
b) Parasitism
c) Competition
d) Commensalism

A coal-burning facility is constructed in an area containing several pond ecosystems.  How will this human activity most likely affect the pond ecosystems?
a) Disease will become less common.
b) Organism diversity will increase.
c) Water quality will be reduced.
d) More nutrients will be available.

Black bears roam over large territories. What effect would building shopping centers  in these territories have on the bears?
a) Reduce the black bears’ habitat
b) Stabilize the black bear population
c) Introduce a new bear population to the area
d) Promote an increase in black bear reproduction

DNA is essential to living organisms because it —
a) is a spiral helix
b) can break apart
c) carries the genetic code
d) can prevent diseases

During human fertilization, an egg and a sperm cell unite. Which structures in these  cells carry the genes that will be transferred to the offspring?
a) Vacuoles
b) Ribosomes
c) Chromosomes
d) Cell membranes

The physical expression of a trait in an organism is known as the —
a) chromosome
b) genotype
c) phenotype
d) double helix

All of these can be inherited by people EXCEPT —
a) eye color
b) blood type
c) language
d) height

Which of these has been improved by genetic engineering?
a) Visibility of insects to predators
b) Growth of insects in cornfields
c) Reduced number of pollinating insects
d) Resistance of corn plants to insects

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