What is the basic definition of evolution as introduced in the video?

Evolutionary Adaptations of Giraffes

Interactive Video
•
Biology, Science, Other
•
6th - 8th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A random mutation in a single generation
The cumulative change in heritable traits over generations
A sudden change in species characteristics
The process of animals becoming extinct
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why did giraffes with short necks face challenges in their environment?
They were hunted by predators
They couldn't find water
They couldn't reach the trees for food
They were unable to run fast enough
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main environmental challenge that led to the evolution of giraffes?
Changes in climate
Increase in predator numbers
Scarcity of grass on the ground
Lack of water sources
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did giraffes with slightly longer necks manage to survive?
They adapted to eat different food
They formed larger herds for protection
They migrated to a different area
They could reach higher leaves on trees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the genetic traits of short-necked giraffes over time?
They become dominant
They become more common
They disappear from the population
They remain unchanged
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to describe the process where nature decides which traits are passed on?
Natural selection
Random mutation
Artificial selection
Genetic drift
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'survival of the fittest' mean in the context of the giraffe story?
The strongest animals survive
The animals with the most offspring survive
The animals with the longest necks survive
The fastest animals survive
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