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22 questions
Why do we use the system of taxonomy for classifying organisms?
to classify animals based on their fur color
to organize organisms based on their ability to reproduce
classify organisms based on their height
to avoid confusion and have the same name for an animal
The scientific name of an organism contains which two levels?
phylum and species
domain and kingdom
genus and species
order and domain
Two animals in which of the following groups would be the most closely related to each other?
domain
species
genus
order
Two animals in which of the following groups would be the least related to eachother?
class
order
domain
species
Animals in different species cannot do what with each other?
fight eachother
eat eachother
growl at eachother
reproduce successfully
What are homologous structures?
different ATP synthesis mechanisms
DNA similarities
different bone structures
similar bone structures in different species (evidence of common ancestor)
Two animals that are closely related would demonstrate which of the following?
low amounts of their DNA sequence in common
high amounts of their DNA sequence in common
similar methods of flying
the same type of habitat
Cows and horses both have hooves on their feet. Which of the following conclusions could be made?
cows descended from a fish
cows and horses can reproduce with each other successfully
cows and horses are in the same species
cows and horses share a common ancestor
Kangaroos and koalas are marsupials that carry their offspring in a pouch. Which of the following conclusions could be made about these two species?
kangaroos descended from birds
kangaroos and koalas share a common ancestor
female kangaroos can successfully mate with male koalas
koalas have the exact same DNA sequence as kangaroos
What is an adaptation?
a trait that you can acquire in your lifetime to help you survive
an inherited trait that helps you survive and reproduce
a trait that disappears when you are 15 years old
When an animal changes and tries to adapt
Which of the following best describes evolution?
spermocytes disfigure and destroy their spermotaphores
individual animals change over time
individual animals try really hard to grow wings and adapt
populations change over time, not individuals
Which of the following can be concluded from the fossil record of horse relatives?
horses cannot reproduce successfully with other mammals
horses evolved to dominate the aquatic ecosystem
evolution is a slow and gradual process that takes a long time
evolution occurs extremely rapidly in all species
If a scientist is trying to prove two animals share a common ancestor, what is the best piece of evidence they could use?
biological records showing they both had the same predator
fossils being discovered in the same location
fossils showing they both had teeth
similar nitrogen base sequences of DNA in both animals
Which of the following will happen to the giraffe population in a few years?
the genes for long necks will increase in frequency
the genes for short necks will increase in frequency
the short neck giraffes will start trying to grow longer necks
the long neck genes will disappear from the population
This is an example of which of the following?
active transport
natural seleciton
homologous structures
common ancestry
Which giraffe is more fit for the environment?
the ground
the tree
short neck
long neck
What does fitness mean in biology?
the ability to starve successfully and die
the ability to reproduce asexually
the ability to get killed
the ability to survive and reproduce
Which group of animals has claws or nails?
hagfish, chimpanzee, pigeon
hagfish, salamander
lizard, pigeon, mouse, chimpanzee
salamander, human, mouse
The two Furbies on the left can successfully reproduce with each other. They are in the same ___
DNA transfusion
species
mutualism
secondary succession
Which of the following levels would indicate the closest relationship? (similar DNA)
kingdom
order
genus
phylum
The scientific name for an animal consists of:
order and class
domain and phylum
species and kingdom
genus and species
The scientific name for the buffalo is Syncerus caffer. What is the species name for the buffalo?
caffer
syncerus
buffalo
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