Most food comes from farms either directly as crops or as the animals
that eat the crops. To grow well, plants need enough warmth, light, and
water. Crops also must be protected from weeds and pests that can harm
them.
| NSES Content Standard C
Life Science: The characteristics of organisms Grades K-4, page 129 Organisms have basic needs. For example, animals need air, water, and food; plants require air, water, nutrients, and light. Organisms can survive only in environments in which their needs can be met. The world has many different environments, and distinct environments support the life of different types of organisms. |