WorksheetsAdaptations, Mutations, Variations, and Natural Selection
Total questions: 71
Worksheet time: 2hrs 12mins
What word describes a trait that helps an organism survive in its environment?
natural selection
mutation
camouflage
adaptation
Which of the following are behavioral adaptations?
a turtle hiding inside its shell
a rabbit burrowing underground
a bear's sharp claws
the spikes on a procupine
a viper biting when threatened
______ _______ are found in birds and help them fly. They have a hard outside but the inside of full of air cavities
xyelm
gills
hollow bones
external adaptation
A permanent change in the DNA of an animal is a...
population
variation
adaptation
genetic mutation
__________ are differences between similar organisms caused by genetic or environmental changes.
Variations
Adaptations
natural selection
domestic animals
During the winter an arctic wolf's fur color changes from brown to white. What is this a response to?
stimulus
internal adaptation
behavior adaptation
adaptation
The changing of genes throughout generations based on things that help the animal survive is called...
natural selection
selective breeding
genetic mutations
internal adaptations
Charles Darwin studied finches in the Galapagos Islands. Which term(s) best describes the 13 different beaks observed in the finches Darwin studied?
behavioral adaptations
external adaptations
internal adaptations
variation within species
The respiratory organs of the fish that filter oxygen out of the water are called...
xylem
gills
behavior adaptation
hollow bones
According to Natural Selection, light colored tree trunks would favor
Light colored moths
Dark colored moths
Red colored moths
Red and light colored moths
The peppered moth’s color camouflaged it on the light colored tree bark. It’s color was an example of a(n)
variation
recessive trait
dominant trait
adaptation
If Easter eggs were living species of organisms, their different colors would be considered
adaptations
different species
variations
extinct species
Why might it be helpful for a species to have a lot of variations?
They can't be seen by predators
It is helpful in asexual reproduction
If the environment changes, they might be better able to adapt
They don't recognize each other
Another term for Natural Selection is
Breeding
Communism
Selective breeding
Survival of the fittest
Although dinosaurs lived for over 150 million years, they may have become extinct because a catastrophic event changed the environment more rapidly than the dinosaurs could
Breed
Adapt
Mutate
Eat
Species with ______variation are ______likely to survive.
more, less
less,less
more,more
Ariana likes to visit the park in her neighborhood to watch hummingbirds. Based on the beak of the hummingbird, what does it most likely eat?
fish
nuts
insect
nectar
Rivers are home to many kinds of birds. Which foot is most likely the adaptation of a bird that swims in water to find food?
Water lilies live in lakes and ponds. The lilies have very long stems. The picture above shows a water lily in a pond. How do long stems help water lilies live in ponds?
They absorb food for the plant.
They absorb water from the pond.
They enable the pads and flower to reach sunlight.
They prevent the plant from floating away.
Ashton drew the picture above of a silver Javan gibbon in a tropical forest tree. What adaptation helps this gibbon survive in the ecosystem in which it lives?
It has thick fur that keeps it warm during the very cold winters of the tropical forest.
It has long arms with grasping fingers that allow it to hang and swing from branches.
It has white fur and a dark face that allow it to blend into the background of the leafy treetops.
It has white fur and a dark face that allow it to blend into the background during a snowy winter.
Why did the number of white peppered moths decrease so much by 1895?
they did not blend in with the trees and birds ate them
they tasted better to the birds than the black moths
they were easier to reach on the trees
white moths flew away to find better trees to blend in with
Dark colored moths living on light colored trees have _____.
high fitness
low fitness
more resources
good luck
What happened when the trees turned dark color?
Moths that were light color survived and reproduced successfully
Moths that were dark color survived and reproduced successfully
Moths that were light color turned dark color to hide
Moths went extinct because they were all light color and got eaten
Protective colorings or markings that
make an organism appear to be part of
its surroundings
Adaptation
Camouflage
Function
Mimicry
What part of a hummingbird is adapted to help it obtain food from inside flowers?
beak
wings
eyes
head
The protective covering on this holds a baby plant & a food supply.
fruit
roots
seed
flower
This adaptation has helped with plant survival in environments that change conditions throughout seasons
Roots
Bulb
Seeds
Folds
This is a special structure that stores food and water for a plant through a cold or dry season.
Roots
Xylem
Bulb
Leaf
The purpose of seed dispersal is for the seeds to __________.
germinate at the same time
move to the same place and grow
move further away from the parent plant
compete with one another for minerals in the soil
State the characters ideal for dispersion by wind.
Small, light and hair-like
Small, light and sharp hooks
Big, light and fibrous husk
Big, light and explode
Spines are considered small leaves on cacti. What would be the benefit of having smaller leaves on desert plants?
Reduced amount of water lost by the plant
It can conduct photosynthesis faster
Reptiles can eat it without killing the plant
It allows the plant to absorb more nutrients
A fish's swim bladder regulates...
speed
breathing
floating depth
ammonia excretion
Whales and sea lions have a layer of ___, or fat, under their skin to keep them warm.
gills
fur
blubber
beaks
The sharp teeth of lions are what type of adaptation?
Structural
Physilogical
Behavioral
A bird uses its beak to take food
Structural
Physilogical
Behavioral
A giraffe has a long neck to obtain food.
Structural
Physilogical
Behavioral
Some kinds of birds migrate to the warmer places in the winter
Structural
Physilogical
Behavioral
The wings of a butterfly look like snake heads
Camouflage
Webbed Feet
Pretend Play
Mimicry
Octopus changes its own colors to blend in with the sand
Camouflage
Webbed Feet
Pretend Play
Mimicry
Skunk releases and sprays odor at predator
Structural
Behavioral
Physiological
Some animals pretend to be dead to protect themselves from predators
Structural
Behavioral
Physiological
Frogs use webbed feet to swim in water
Structural
Physilogical
Behavioral
Snake produces venom
Structural Adaptation
Behavioral Adaptation
Physiological Adaptation
Mimicry
The stripes of a zebra
Camouflage
Webbed Feet
Pretend Play
Mimicry
