. What is a nutrient?

3c. How do plants perceive the seasons and thus time their growth to the most favorable growing conditions?

1, choose which statement about plants is false? a, plants do not carry out cellular respiration. b, plant fibers can be used to make textiles. c, plants are a source of pharmaceutical products. d, plant products can be used as building materials. e, plants can help reduce soil erosion.   2, Choose, A plant embryo surrounded by a seed coat is called    a, endosperm b, zygote c, fruit d, seed   3, choose, Phototropism occurs due to the effects of  a, gravity b, auxins  c, abscisic acid d, osmosis

#4 What do hyphae do for a plant partner in a mycorrhizal association?    1.they decrease the surface area for absorbing food for the plant 2.they increase the surface area for absorbing food for the plant 3.they decrease the surface area for absorbing water and nutrients for the plant 4.they increase the surface area for absorbing water and nutrients for the plant