7.5 Our Own Journey

• Biologie
• 9th Grade

7.5 Our Own Journey

The Earth is thousands of millions of years old.

1. TRUE
2. FALSE

Oxygen has been in our atmosphere since the Earth first formed.

1. TRUE
2. FALSE

Animals colonised the land before plants did.

1. TRUE
2. FALSE

The first life on Earth were plants.

1. TRUE
2. FALSE

The first animals with backbones
were fish.

1. TRUE
2. FALSE

Modern humans have only been around for 6,000 years.

1. TRUE
2. FALSE

7.5 Our Own Journey

In his book 'The Descent of Man' published in 1871,  Charles Darwin presented the idea that human beings and apes have a common ancestor. 

Contrary to common perception, Darwin did not say that humans directly evolved from apes.

Differences between humans and apes

Watch the following slides

In your notebook, draw a table and write down some differences between humans and apes.

Type

Apes

Humans

1. Hands and fingers

Type

Apes

Humans

Apes

Humans

Humans have opposible thumbs

Apes do not

2. Limbs

Type

Apes

Humans

Chimpanzee

Gibbon

Humans have shorter upper limbs

Humans have longer

lower

limbs

3. Skull

Type

Apes

Humans

Apes have distinct brow ridges

Apes have a flatter skull, a snout and no chin.

4. Hip bones (= pelvis)

Type

Apes

Humans

Humans have a wider pelvis for walking upright

Apes have a taller pelvis for walking on all four limbs

differences between
humans and apes

www.britannica.com

50.000 YA

1.5 MYA

1.7 MYA

2.4 MYA

Homo ergaster

Homo florensiensis

Homo habilis

Homo erectus

Which is the older species?

1. Homo neanderthalensis
2. Homo heidelbergensis

Which is the direct ancestor of both Homo sapiens and Homo neanderthalensis?

1. Homo erectus
2. Homo florensiensis
3. Cro-Magnon man
4. Homo heidelbergensis

Which is more adapted
to colder climates?

1. Homo sapiens
2. Homo neanderthalensis