What part of the plant anchors the plant to the soil?
roots
100
Root hairs absorb the soil solution through the process of ___________________.
osmosis
100
What is the source of the bulk of the plant's mass?
Carbon from CO2
100
Phototropism is the plant's response to ____________.
light
200
What is one criteria that distinguishes plants from algae?
vascular transport, advanced reproductive system, can't be multicellular
200
Which layer of plant tissue is the most outer layer?
epidermis
200
What do you call the tubes in the stem that carry water and nutrients upward?
xylem
200
Name 5 macronutrients the plant needs for survival.
C, H, O, N, P, S, K, Magnesium, Ca
200
Thigmotropism is the plant's response to _____________.
touch
300
Which terrestrial adaption for land plants evolved to allow plants to absorb water and minerals from the soil?
roots
300
Which layer of plant tissue is the most interior?
ground tissue
300
What do you call the tubes in the stem that carry sugars downward from the leaves?
phloem
300
Who do plants have a biotic relationship with to "fix" nitrogen in the air?
bacteria/microorganisms
300
What do you call the 24 hour cycle plants use as an internal clock in response to periods of light and dark?
circadian rhythm
400
Which terrestrial adaptation of plants covers the leaves and stems of land plants to minimize the rate of water evaporation (allowing plants to retain more water)?
waxy cuticle
400
How does primary growth differ from secondary plant growth?
Primary: apical meristems (up and down)
Secondary: lateral meristems (left and right)
400
Name 1 force that influences the movement of water and nutrients upward in the plant?