Question

below is a food chain from a grassland ecosystem in wyoming. use the information in the food chain to fill in the blank below. slender wheatgrass deer mouse long - tailed weasel red fox coyote matter first enters this food chain when the makes food using photosynthesis.

Explanation:

In a food chain, producers (organisms that can make their own food through photosynthesis) are the entry point for matter. Among the given organisms, slender wheatgrass is a plant (producer) that uses photosynthesis to make food. The other organisms (deer mouse, long - tailed weasel, red fox, coyote) are consumers (they cannot make their own food and rely on other organisms for matter and energy).

Answer:

slender wheatgrass