cells to tissues

Question 1

when does cell differentiation occur?

Answer 1

during early development of living organisms

Question 2

what is cell specialization?

Answer 2

the process by which cells develop from similar cells into cells that have specific functions within a multi-cellular organism

Question 3

what are unspecialized cells that can produce various specialized cells called?

Answer 3

stem cells

Question 4

what 3 things can influence cell specialization?

Answer 4

content of cytoplasm
environmental conditions
influence of neighbouring cells/location in the organism

Question 5

what can damaging environmental conditions lead to?

Answer 5

abnormal development

Question 6

what are the levels of organization (smallest => largest units)?

Answer 6

cells
tissues
organs
organ systems
organism

Question 7

what is a tissue?

Answer 7

a group of cells that perform a specific type of function

Question 8

what are four main types of tissues in animals?

Answer 8

epithelial
muscle
connective
nervous

Question 9

what are four main types of tissue in plants?

Answer 9

meristematic
epithelial/dermal
vascular
ground