startup unit 3 lesson 4 vocabulary extra

It was hard to see Ken’s face in the _________ light.

• bright
• glowing
• radiant
• dim

Motor _________ transfer impulses from the brain to muscles or glands.

• bones
• blood
• neurons
• skin

The make-up highlighted _________ of Karen’s face.

• a contour

• carelessly
• a mess

• anatomy

The lines look like they are different lengths, but it’s just an optical _________.

• illusion
• distortion
• delusion
• reality

_________ are creatures without a spine, such as insects and spiders.

• Vertebrates
• Mammals
• Reptiles
• Arthropods

Ants have _________ bodies with three main parts – the head, the thorax, and the abdomen.

• segmented
• circular
• square
• triangular

The shape of an anteater’s claws is an _________ trait, helping it to dig into ants’ nests.

• segmented

• advantageous

• random
• unnecessary

I got a bad grade on my _________ test. I didn’t study the respiratory system hard enough.

• history
• anatomy

• biology
• math

A monkey’s tail helps with _________ when balancing on branches.

• swimming
• climbing
• flying
• balance

There is no _________ explanation for why the alphabet is in that particular order. It just is.

• random
• historical
• scientific
• plausible