The Xylem is the vascular tissue that moves water up the plant. Phloem is the vascular tissue that moves food up or down the plant.

True

False

The response is the basis for vaccination. primary secondary tertiary none of the above

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass