grade 10 revision

Structures are similar in appearance but not in structure

• Vestigial
• Homologous
• Analogous Structures
• Embryonic

Which of the following is the collection of life's remains found in sedimentary rock?

• natural selection
• homologous structures
• Charles Darwin
• the fossil record

Which of the following is an example of a vestigial structure?

• the wings of a red-tailed hawk
• the hind limbs of a house cat
• the fins of sharks
• the tailbone of a human

If two organisms have similar traits of DNA they are probably

• share a common ancestor
• share a common environment
• share a common population
• speciation

Which evidence show patterns of change in organisms from early life to modern life?

• homologous structures
• transitional fossils
• vestigial structures
• proteins

An inherited characteristic that increases an organism's chance of survival

• adaptation
• evolution
• fitness

Organism A can only survive, organism B survive and reproduce, organism C have long life span, organism D is the strongest. Which of the following is most fit according to Darwin?

• A
• B
• C
• D

Less genetic variation in population cause:

• Less chances of survival.
• More chances of survival.
• More adaptation.
• Less adaptation.

which element act as a hydrogen acceptor during aerobic respiration?

• hydrogen
• carbon
• nitrogen
• oxygen

which of the following tissues contain the highest number of mitochondria?

• nervous
• skin
• connective
• muscle