Intro background Flashcards
1
Q
What is Zoology and what does it consist of?
A
The study of animals
diversity and evolution
form and function
2
Q
What characteristics define an animal?
A
- multicellular
- heterotrophic
- eukaryote
- tissues that develop from embryonic layers
- no cell walls
3
Q
Basic requirements for all animals
A
- Oxygen
- Nutrients
- removal of waste products
- Producing offspring
4
Q
What 3 factors impact an animal’s form?
A
- environment type
- size of animal
- mode of existence
5
Q
How many animal species?
A
More than 5 million
6
Q
How many of species of animals have a back bone?
A
vertebrates make up 5%
7
Q
2 basic types of vertebrates
A
swimming ones and ones with 4 limbs
8
Q
what are invertebrates better at compared to vertebrates?
A
ecosystem engineering and explosive chemical reactions
