Module 16 Definitions- Biology

12 Questions | By Crazylarry | Updated: Apr 17, 2023 | Attempts: 26

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A timed quiz covering the definitions and bold print from Module 16. Be sure to not use any punctuation on the fill-in-the-blank questions, and do remember how to spell the word(s) correctly!

Questions and Answers

1.

A poison that attacks the nervous system, causing blindness, paralysis, or suffocation is called...
- A.
  
  ...a neurotoxin.
- B.
  
  ...a hemotoxin.
2.

A posion that attacks the red blood cells and blood vessels, destroying circulation is called...
- A.
  
  ...a neurotoxin.
- B.
  
  ...a hemotoxin.
3.

A shelled, water-retaining egg that allows reptile, bird, and certain mammal embryos to develop on land is called an ____________ egg.
4.

Feathers with hooked and smooth barbules, allowing the barbules to interlock are called...
- A.
  
  ...down feathers.
- B.
  
  ...contour feathers.
5.

Feathers with smooth barbules but no hooked barbules are called...
- A.
  
  ...downfeathers.
- B.
  
  ...contour feathers.
6.

___________ glands are specialized organs in mammals that produce milk to nourish the young.
7.

The period of time during which an embryo develops before being born is known as ________.
8.

A _________ is a structure that allows an embryo to be nourished with the mother's blood supply.
9.

Is the following characteristic one of the characteristics that separate mammals from the other vertebrates?Hair covering the skin
- A.
  
  Yes!
- B.
  
  No!
10.

If an animal has a toothless bill, it probably belongs to Class ______.
11.

If an animal is ectothermic, it probably belongs to Class ___________.
12.

The world's largest lizard is the__________ ________.