Changes Over Time Question Preview (ID: 46054)
Changes Over Time.
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Darwin observed many different species of finches on the Galapagos Islands. What did Darwin conclude about finches?
a) They evolved from a common ancestor on the mainland.
b) They evolved from many different types of birds
c) They all came from different countries and continents
d) They developed from other types of organisms
Which statement best describes the process of evolution?
a) Populations can survive in different locations on Earth
b) Environmental conditions limit the number of species on Earth.
c) Populations grow when resources are abundant
d) The traits of species can change over time
Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?
a) Light moths were easy to see against the sooty trees and were eaten.
b) Light moths were killed by soot
c) The birds that ate the dark moths were killed by the soot.
d) Dark moths were killed by the industrial process.
Modern whales developed their traits through natural selection. What occurs during the process of natural selection?
a) Organisms choose mates from other species to create a new species
b) Breeders selectively cross organisms with desired traits
c) Only the fittest organisms can survive and reproduce.
d) Organisms remain exactly the same over time
Which of these would be considered an adaptation of an animal that lives in a snowy tundra?
a) A thick coat of fur and blubber
b) large, flat feet
c) green colored skin
d) webbed feet
Which bird is best adapted to live in a watery environment?
a) A bird with short, fat legs and large claws on their feet
b) A bird with short legs and large webbed feet
c) A bird with short legs and short skinny toes
d) A bird with long skinny legs and three thick toes with claws
Paleontologist is trying to determine the ages of several fossils using different methods. When using carbon dating, the main problem is:
a) It can only be used at night
b) It can't determine the age of really old fossils
c) It works on living organisms only
d) It can only be used to date animals fossils
Which of the items is most likely to be preserved as a fossil?
a) A flower
b) Hair or fur
c) a tooth
d) blood
Most fossils form in:
a) Igneous rock
b) Sedimentary rock
c) Metamorphic rock
d) Anthropomorphic rock
What does the fossil record tell scientists?
a) Only dinosaurs have formed the fossils scientists have discovered
b) There are very few organisms that are extinct
c) Species have evolved over time
d) Birds have dominated the Earth for most of history
Over many generations, populations of anteaters have developed longer tongues. Why might such occur?
a) Longer tongues help anteaters escape from predators
b) Anteaters with longer tongues can reach food sources that other animals cannot reach
c) Humans find long tongues more attractive in anteaters
d) Anteaters with longer tongues require more food than those with shorter tongues
Darwin observed and recorded data about many species of finches. According to Darwin, how did the food source on each island affect how the birds evolved?
a) Birds brought their favorite food with them to the island.
b) Birds with beaks adapted to the food source on the island, survived, and reproduced.
c) Birds changed food sources on the island to match their beaks
d) Birds ate only certain food sources, causing some foods to survive and others to die.
One theory suggests that giant wooly mammoths became extinct when the ice age ended and the climate became warmer. Why might this environmental change have led to their extinction?
a) They didn't die off, their traits changed to match the new climate
b) There was not enough food available in the warmer climate
c) Their traits were best suited for a cold climate
d) Smaller organisms thrived and larger organisms died off as the climate changed
Organisms with the most beneficial/useful traits live long lives and reproduce. This is called ??? of the ???
a) Survival of the fittest
b) Benefits of the best
c) Survival of the living
d) Survival of the advantageous
In a population of codfish, a scientist notes that some fish have larger or smaller fins than the other. These differences among the traits of organisms in a population are known as:
a) variation
b) extinction
c) evolution
d) competition
What is the importance of DNA in the body?
a) It moves materials into and out of the cell
b) It releases the energy stored in food so it can be used by the body
c) It carries the genes that determine ingerited traits
d) It is where the that are needed by the body are assembled
All of the following are evidence for evolution except for:
a) Similar developmental patters
b) Homologous structures
c) Similarities in DNA
d) Different genes
Which of the following is the best example of an adaptation that helps an organism survive in its environment?
a) Green coloring in a lizard living on black igneous rock
b) A thick waxy cuticle to help store conserved water in a desert plant
c) a layer of scales on an animal that lives in the tundra
d) Small delicate leaves on a plant living in the snow
A trait that helps an organism survive and reproduce is called a?
a) variation
b) adaptation
c) species
d) selection
Darwin's idea about how evolution occurs is called
a) variation
b) adaptation
c) natural selection
d) species
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