Primate Evolution

What are primates a group of?

• Reptiles

• Mammals

• Birds

• Fish

Match the following characteristics with the correct statement about primates.

• Characteristic known for precise control of movements

• Opposable first digit

• Characteristic allowing for a strong grip

• Ability to fly

• Characteristic not found in primates

• Well developed eyesight

• Characteristic important for depth perception

• High level of manual dexterity

Why is an opposable first digit important for primates?

• It helps them to fly

• It allows them to grasp objects

• It is used for swimming

• It aids in digging underground

What do primates have that is well developed besides manual dexterity and an opposable first digit?

• Long tails

• Large brains

• Wings

• Gills

Which of the following is a primate?

• Shark

• Human

• Crocodile

• Eagle

What does binocular vision allow primates to do?

• Smell better

• Hear better

• Judge distance and movement of objects

• See only in black and white

Match the following times of day with the activity level of diurnal primates.

• When are diurnal primates most active?

• At dusk

• When are crepuscular primates most active at the end of the day?

• At night

• When are crepuscular primates most active at the beginning of the day?

• During the day

• When are nocturnal primates most active?

• At dawn

What characteristic is typical of nocturnal primates' vision?

• They can see a wide range of colors

• They have binocular vision

• They see only black and white colors

• They have a reduced sense of smell

Which of the following is a characteristic of a primate brain?

• Smaller size with more areas dedicated to smell

• Larger size with more areas dedicated to vision

• Larger size with more areas dedicated to hearing

• Smaller size with more areas dedicated to taste

What is the primary mode of movement for primates in trees?

• Flying

• Slithering

• Swimming

• Brachiation