Biology HL (Part 3)

Choose all evidences of evolution

• Fossil records

• Selective breeding

• Homologous structures

• Speciation

What is the main factor that could lead to natural selection?

• High natality rate

• Overpopulation

• Death

• Variation

Mutation can be beneficial, detrimental & neutral

• True

• False

What are the main three domains?

• Archaea, Prokaryotes, Eukaryotes

• Prokaryotes, Eukaryotes, Chordata

• Archaea, Bacteria, Eukaryotes

• Bacteria, Eukaryotes, Echinodermata

Reproduce using non-motile gametes found in cones.

Which one is the phylum with this characteristic

• Bryophyta

• Filicinophyta

• Coniferophyta

• Angiospermophyta

Which one of these are examples of Cnidaria?

• Sea sponge

• Jellyfish

• Squid

• Sea anemone

• Starfish

Which evidence cannot be used to classify cladistics?

• Gene base sequences

• Corresponding amino acid sequence

• Convergent evolution

What is an allele?

• Coding region of DNA

• Specific form of a gene, differing by one or few bases

• Specific form of a gene, differing by many bases

• Non-coding region of DNA

Sickle cell anemia is caused by mutation (base substitution).

• True

• False

What technique John Cairns use to measure the length of chromosome?

• Autoradiography

• Gel electrophoresis

• DNA sequencing

• Radioactive labelling