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Compare how long mammals grow before birth

5th grade (Year 6 in England) · 16 questions · Common Core: NGSS.3-LS1-1, NGSS.SEP 4 · England: KS2 Y5 Animals, including humans

Name

Date

Score/ 16

1
Question 1
Why can a newborn foal stand within hours, but a human baby cannot walk for about a year?
- A. Foals are born more developed so they can escape predators with the herd.
- B. Human babies are born older.
- C. Human babies are lazy.
- D. Foals have more legs.
Question 2
About how many months longer is the gestation of a elephant than a dog?
Answer
3
Question 3
The chart shows how many months each mammal grows inside its mother before birth (gestation). Which has the longest gestation?
- A. dog
- B. human
- C. horse
- D. elephant
4
Question 4
Looking at dogs, humans, horses and elephants, what pattern do you notice?
- A. Smaller mammals always have longer gestation.
- B. Gestation has nothing to do with size.
- C. Larger mammals tend to have longer gestation periods.
- D. All mammals have the same gestation.
Question 5
About how many months longer is the gestation of a elephant than a human?
Answer
6
Question 6
The chart shows how many months each mammal grows inside its mother before birth (gestation). Which has the shortest gestation?
- A. dog
- B. human
- C. horse
- D. elephant
7
Question 7
Looking at dogs, humans, horses and elephants, what pattern do you notice?
- A. Smaller mammals always have longer gestation.
- B. Gestation has nothing to do with size.
- C. All mammals have the same gestation.
- D. Larger mammals tend to have longer gestation periods.
Question 8
About how many months longer is the gestation of a horse than a dog?
Answer
9
Question 9
Which mammal on the chart has a gestation of about 9 months?
- A. dog
- B. human
- C. horse
- D. elephant
10
Question 10
What is gestation?
- A. the time an egg takes to hatch in a nest
- B. the time it takes to learn to walk
- C. how long an animal lives
- D. the time a baby mammal grows inside its mother before birth
Question 11
About how many months longer is the gestation of a elephant than a dog?
Answer
12
Question 12
The chart shows how many months each mammal grows inside its mother before birth (gestation). Which has the longest gestation?
- A. dog
- B. human
- C. horse
- D. elephant
13
Question 13
Why can a newborn foal stand within hours, but a human baby cannot walk for about a year?
- A. Foals have more legs.
- B. Foals are born more developed so they can escape predators with the herd.
- C. Human babies are born older.
- D. Human babies are lazy.
Question 14
About how many months longer is the gestation of a elephant than a human?
Answer
15
Question 15
Which mammal on the chart has a gestation of about 9 months?
- A. dog
- B. human
- C. horse
- D. elephant
16
Question 16
Why can a newborn foal stand within hours, but a human baby cannot walk for about a year?
- A. Human babies are lazy.
- B. Foals have more legs.
- C. Foals are born more developed so they can escape predators with the herd.
- D. Human babies are born older.

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Answer key: Compare how long mammals grow before birth

1. A. Foals are born more developed so they can escape predators with the herd.
2. 20
3. D. elephant
4. C. Larger mammals tend to have longer gestation periods.
5. 13
6. A. dog
7. D. Larger mammals tend to have longer gestation periods.
8. 9
9. B. human
10. D. the time a baby mammal grows inside its mother before birth
11. 20
12. D. elephant
13. B. Foals are born more developed so they can escape predators with the herd.
14. 13
15. B. human
16. C. Foals are born more developed so they can escape predators with the herd.