Transcript Animals including Humans

Animals including Humans
Year 5
Lesson 3
LI: Explore the variability of gestation
periods of different mammals
Input
How does a mammal develop inside
their mother?
Gestation
• The length of time a mammal spends in its
mother’s womb is known as the ‘gestation
period’. This gestation period can vary
enormously from species to species.
• Why do you think this is?
Gestation Periods
Create a bar graph showing the gestation periods of different
animals.
Mammal
Cat
Chimpanzee
Lion
Gestation period
in days
63
240
108
Human
266
Rabbit
31
Squirrel
44
African elephant
650
Whale
360
Horse
336
Polar bear
241
Giraffe
435
Mouse
21
Rhinoceros
480
Hamster
16
Dog
61
Camel
400
What do you notice?
Plenary
What does dependency mean?
Why do different animals have different dependencies?