tissues and organs Flashcards
1
Q
xylem and phloem
A
transports substances around a plant
xylem - carries water + minerals around a plant
phloem - transports sugars
2
Q
what is the process by which cells become specialised for their role?
A
differentiation
3
Q
what is a fertilised egg called?
A
zygote
4
Q
how many chromosomes does each sperm and egg cell carry, how much does that total to?
A
23 chromosomes each, 46 in total
5
Q
special cells - tissues… (continue)
A
- organs - systems - organism (human)
6
Q
muscle cells - muscle tissue… (continue)
A
- heart - circulatory system - organism (human)
7
Q
muscular tissues (animal)
A
allows movement
8
Q
glandular tissues (animal)
A
gives out/ secretes enzymes and hormones
9
Q
epithelial tissues (animal)
A
covers organs (stomach contains an epithelial layer)
10
Q
xylem and phloem tissues (plant)
A
transports substances
11
Q
epidermal tissues (plant)
A
to cover/layer plants
12
Q
fertilised cell
A
zygote
