A likely explanation for both sharks and whales having fins is...

They experience similar selective pressures

Which species likely interbred with homo sapiens?

Homo Neanderthalensis, Homo Denosovians

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Bio U4 Headstart Lecture

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A #biology quiz covering basics of U4

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Questions 12

Answers

1
Which of these species evolved diverged from the homo sapien lineage longest ago?
Homo habilis
Homo floresiensis
Homo neanderthalensis
Homo erectus
2
A likely explanation for both sharks and whales having fins is...
They experience similar selective pressures
Share a recent common ancestor
Sharks are descendants of whales
Whales are angry sharks
3
Which population is most likely to experience genetic drift?
One with many selective pressures
A small population
One with few selective pressures
A large population
4
A buterfly and bats wings are best described as....
morphologous structures
analogous structures
homologous structures
vestigial structures
5
How good is bio
Only when Gianni Lectures
Eh
Yes
6
Which species likely interbred with homo sapiens?
Homo erectus
Homo Neanderthalensis
Homo Denosovians
Homo Habilis
7
A dog breeder only chooses dogs with the shiniest coat to breed. What is the selection pressure
The environment
Survival advantage
The dog breeder
The shininess of the coat
8
Which of the following would not be a selective advantage of bipedalism?
Thermoregulation
S - shaped spine
Ability to better see predators
Hands free for other uses
9
Which is not an example of a point mutation?
Silent mutation
Frameshift mutation
Nonsense mutation
Inversion mutation
10
The laetoli footprint we discussed is what kind of fossil?
Mold
Cast
Mineralised
Trace
11
A piece of bone 20,000 years ld found in sedimentary rock could be dates most accurately by...
Potassium/Argon dating
electron microscopy
Carbon dating
DNA analysis
12
Which of the following would not result in allopatric speciation?
A gorge
A mountain range
Warming of the environment
A lake forming

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