Quay lại thư viện trắc nghiệm
Khoa học
Lớp 5–6
Adaptation and Natural Selection
Adaptation and Natural Selection
Chia sẻ bởi Ahmad Alsalloum
1 giờ trước
10 Câu
Được sử dụng 0 lần
Đăng ký miễn phí để nhận bộ đề này
Xem trước câu hỏi
Đang hiển thị 5 câu đầu trong tổng số 10 câu — đăng ký miễn phí để nhận toàn bộ bộ đề và chơi cùng cả lớp.
1
What is an adaptation?
A
A random change in an organism's DNA
B
A change in an organism's body during its lifetime
C
A feature that helps an organism survive and reproduce in its environment
D
A behavior that an animal learns from its parents
2
Which of the following is an example of a behavioral adaptation?
A
A cactus's thick stem
B
Birds migrating to warmer climates in winter
C
A polar bear's white fur
D
A shark's sharp teeth
3
Natural selection is best described as:
A
The process by which organisms with advantageous traits are more likely to survive and reproduce
B
The gradual change of an environment over time
C
The deliberate choice of traits by an organism
D
The random mutation of genes in a population
4
Why do some adaptations become more common in a population over many generations?
A
Because all organisms in the population develop the same traits
B
Because individuals with those adaptations are more likely to survive and pass on their genes
C
Because the environment changes to suit those adaptations
D
Because organisms decide they need those adaptations
5
A population of beetles lives in a forest. Most beetles are green, but a few are brown. Birds eat the green beetles because they are easier to see on brown tree trunks. What will likely happen to the beetle population over time?
A
The beetle population will not change because color does not affect survival.
B
All beetles will become brown immediately.
C
The brown beetles will become more common because they are better camouflaged.
D
The green beetles will become more common because they can hide better.
Muốn sử dụng những bộ đề có sẵn này?
Đăng ký SparkMyClass miễn phí, nhận bộ đề chỉ với một cú nhấp, và tự tạo trò chơi trắc nghiệm tương tác của riêng bạn.
Đăng ký miễn phí