a. formed from 3 layers but have no cavity.
b. organs formed from mesoderm cells.
c. digestive tract runs entire length of body.
What are 3 characteristics of acolomates?
100
a balance in proportions of an object or organism
What is symmetry?
100
dorsal
What is the sail fin on an iguana?
200
Sessile
What is an organism that doesn't move place to place?
200
The desert
What is the driest biome?
200
1. fluid filled body cavity
2. organs formed from mesoderm cells
3. moves quickly because of muscles are attached to the mesoderm
4. digestive tract
What is 4 characteristics of pseudocoelomates?
200
can be divided down its length into almost equal haves
What is bilateral symmetry?
200
dorsal
What is the back of your neck?
300
Blastula
What is a hollow ball of cells?
300
200-600 cm/yr
How much precipitation does the rain forest get per year?
300
1. protects soft body
2. prevents water loss
3. found in invertebrates
What is 3 jobs of exoskeleton?
300
the tail
What is an posterior?
300
ventral
What is the mouth of a shark?
400
Juveniles
What are smaller versions of an adult?
400
Lions, cheetahs, zebras, etc.
What animals are found in the grassland?
400
1. greatest diversity
2. cushions and protects internal organs
3. fluid filled space surrounded by mesoderm
4. provides space for muscle growth
5. digestive tract
What is 5 characteristics of coeloms?
400
a spider
What is an example of a bilateral symmetry?
400
ventral
What is the pouch of a kangaroo?
500
Gastrula
What is formed when one side of the blastula folds inward?
500
Canopy, understory, and the ground.
What is the 3 layers in the rain forest?
500
a. eukaryotics
b. multicellular
c. heterotrophic
d. composed of cells
e. digest food
f. move of obtaining food
g. do not grow entire life.
What is 7 characteristics of animals?
500
acoelomate- flatworm
What is another bilateral example?
500
ventral- like belly button
dorsal- for the blow hole
ventral is the better answer