Objectives: Describe relationships (predator/prey, consumer/producer, or parasite/host) between organisms and determine whether these relationships are competitive or beneficial.
Describe how changes caused by organisms in the habitat where they live can be beneficial or harmful to themselves or the plants and animals.
Describe how certain biotic and abiotic factors can limit the number of organisms that an ecosystem can support.
Describe how all animals, including humans, meet their needs by consuming other organisms, breaking down structures, and using materials to grow and function.
Recognize that plants use energy from the sun to make sugar (glucose) by the process of photosynthesis