Explain variation within a population or species by comparing external features, behaviors, or physiology of organisms that enhance their survival such as migration, hibernation, or storage of food in a bulb; and
Identify some changes in genetic traits that have occurred over several generations through natural selection and selective breeding such as the Galapagos Medium Ground Finch (Geospiza fortis) or domestic animals and hybrid plants.
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Q 1/10
Score 0
Some students collected leaf samples. The students used the leaf identification key shown to identify a leaf sample. Based on the identification key, which type of tree is this sample from?
30
Ginkgo
Horse chestnut
Honey locust
Black maple
Q 2/10
Score 0
Which of the following characteristics will most likely be helpful in identifying a butterfly using a dichotomous key?
30
hangs on branches
Wings have long extensions
Migrates north every spring
flutters wings fast on hot days
10 questions
Q.
Some students collected leaf samples. The students used the leaf identification key shown to identify a leaf sample. Based on the identification key, which type of tree is this sample from?
1
30 sec
7.11a
Q.
Which of the following characteristics will most likely be helpful in identifying a butterfly using a dichotomous key?
2
30 sec
7.11a
Q.
Why do animal migrate?
3
30 sec
7.11b
Q.
A fox with thick fur would have a survival advantage over other foxes if
4
30 sec
7.11b
Q.
Some organisms, like butterflies, have bright colors to warn predators that they are poisonous. Is this an example of a physical adaptation or a behavioral adaptation?
5
30 sec
7.11b
Q.
How quickly do adaptations happen?
6
30 sec
7.11b
Q.
What is the goal of both physical and behavioral adaptations?
7
30 sec
7.11b
Q.
Some dairy farmers want to increase the amount of milk produced by their cows. How can the farmers use selective breeding to increase milk production?
8
30 sec
7.11c
Q.
This image shows four different finches Charles Darwin found while on the Galapagos Islands. Which of these would be most adapted to eating small insects found in tiny holes of trees?
9
30 sec
7.11c
Q.
A farmer crossed a roma tomato with a cherry tomato. This is know as selective breeding, which is used to---
