1) What was the key evolutionary transition to a new environment of dry grasslan

Question

1) What was the key evolutionary transition to a new environment of dry grasslands for Hominins?

A)Bipedalism

B)Creation of tools

C)Narrow rib cage

D)Acheulean technology

2- Which Hominid(s) split off from Homo heidelbergensis ?

A)Neanderthals

B)Homo erectus

C)Homo sapiens

D)Both A & C

3- After Homo sapiens arose in Africa, our ancestors displayed an increasing number of creativity and self-expression. Which has NOT been found as evidence of this?

A)Decorated containers made of ostrich eggs.

B)Cave paintings

C)Sculptures

D)Decorative utensils

4- Hominins first emerged out of Africa 1.8 million years ago. Which lineage remained in Africa? Those that would give rise to

A)H. neanderthalensis

b)H. sapiens

C)H. erectus

D)H. floresiensis

5- Who was the predecessor of H. heidelbergensis found in the fossil record?

A)H.sapiens

B)H. Neanderthalensis

C)H.erectus

D)Denisovans

Short answers:

1. If an amino acid sequenced is changed, what happens to the resulting protein? Give an example.

2. Explain the language of DNA to Proteins. How does sequence, shape and function relate to each other?

3. What is thought to have allowed us to have developed a larger brain? __________ (fill the blank)

4. What are bacteriophages? What are three advantages to using them to control foodborne pathogens? What is the major difficulty in using these phages?

5. Rates of extinction today vs in the past

-What is responsible for mass extinctions, past and present?

6. Understand Habitat loss and degradation and it’s relationship to habitat patches.

7. What are corridors? Why are they important?

8. Megafaunal extinction

Explanation / Answer

1. A bioedalism

When hominis started standing erect and walking on 2 feet they mobilised themselves towards dry grasslands.

2. B homo erectus

Both rhe other species eventually evolved from heidelbergensis

3. A decorated sculpture s of ostrich egg

4. A homo neanderthalensis

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