This pyramid of numbers is modeling organisms within an ecosystem.

Which of the feeding interactions below is MOST LIKELY to be part of this ecosystem?

A. grasses in a meadow that provide food for many small animals
B. a dead whale that provides food for many ocean animals
C. an algae colony that provides food for many fish
D. a tree that provides food for thousands of insects

What is an animal that lives by preying on other animals

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.