Invertebrates

Question 1

Division of Labor

Answer 1

Cells in animals that perform a specific function

Question 2

Characteristics of Animals (6)

Answer 2

1. Multicelluar
2. Heterotrophic (organism eats other plants/animals)
3. Eukaryotic
4. Reproduction - Primarily sexual
5. Motility (some stay attached, uses muscle or muscle like tissue for movement)
6. Development of high level organization & tissue differentiation

Question 3

Development of high level organization & tissue differentiation

Answer 3

Groups of cell -> tissue -> organs/organ systems

Question 4

Feeding (3 ways)

Answer 4

Herbivores
Carnivores
Filter Feeders (strain from water)

Question 5

Respiration Method

Answer 5

Consume oxygen and give off CO2. Most evolved organisms have complex tissues/organ systems for respiration.

Question 6

Chemical Excreted From Animals (and Why)

Answer 6

Ammonia - poisonous to organism. Contains nitrogen

Question 7

Sessile vs Motile

Answer 7

Sessile - attached to one spot
Motile - require muscles to move

Question 8

Endoskeleton vs. Exoskeleton

Answer 8

Endoskeleton - outside
Exoskeleton - inside

Question 9

Direct Development vs Indirect Development

Answer 9

Direct - Babies look like mini adults
Indirect - Eggs to larvae, metamorphosis