WorksheetsClash of the Classes - Life Science Part 1 of 2
Total questions: 16
Worksheet time: 12mins
These animals are grouped together because all of them -
live in the water
are fish
are warm-blooded
lay eggs
Sea anemones are poisonous. However, the clownfish has developed an outer layer of mucus which provides protection from the stinging cells of the sea anemone. The mucus is best described as -
an adaptation
a relationship
an energy requirement
a social hierarchy
On a small island, scientists observed and graphed changes in wolf and moose populations. From 1965 to 1970, which data pattern did scientists observe?
A drop in wolf population and a drop in moose population.
An increase in wolf population and a drop in moose population.
A drop in wolf population and in increase in moose population.
An increase in wolf population and in increase in moose population.
A student recorded the temperature of an aquarium each hour for 8 hours. Which of these will best display the data the student collected?
bar graph
circle graph
picture graph
line graph
Which of these has been improved by genetic engineering?
visibility of insects to predators
growth of insects in cornfields
reduced number of pollinating insects
resistance of corn plants to insects
Which is the order of the simplest level or organization to the most complex?
system - cell - organ - tissue
cell - tissue - organ - system
tissue - cell - system - organ
cell - organ - system - tissue
Which of these is most likely the results of weasels and foxes depending on the same food source?
The populations will compete with each other.
One of the populations will become herbivores.
Birthrates for both populations will increase.
New species of prey will evolve in the area.
A farmer wants to plant a crop that grows well in a marshland environment. In order to produce a good harvest, the most important characteristic this plant should have is the ability to -
attract a variety of pollinators.
mature quickly.
survive in dry conditions.
thrive in wet soil.
Which is an abiotic change in an ecosystem?
Plant photosynthesis rates increase.
Fish species populations increase.
Annual rainfall totals for an area increase.
Aquatic predator survival rates increase.
White-footed mice having thicker fur that cactus mice is probably influenced most by the differences in the -
food that they eat.
time of day they are active.
environmental climates where they live.
amount of predators they encounter.
During fertilization, an egg and sperm cell unite. Which structures in these cells carry the genes that will be transferred to the offspring?
vacuoles
ribosomes
chromosomes
cell membranes
The picture shows a zebra with two tick birds on its back. The tick birds alert the zebras when predators are near as well as remove and eat ticks found on the zebras. What is the primary interaction between the tick birds and the zebras?
mutualism
parasitism
competition
commensalism
The physical expression of a trait in an organism is known as the -
chromosome
genotype
phenotype
double helix
Which organisms are producers in this food web? Pick 2.
hawk
grasshopper
grass
tree
deer
When comparing a plant cell to an animal cell, only the plant cell will contain -
ribosobes
chromosomes
mitochondria
chloroplasts
Which of these is the best description of a typical organism in the Plant kingdom?
Is unicellular
Lacks a nucleus
Makes its own food
Lacks a cell wall
