acacia tree- tall tree where giraffes get their food
algae- green plant in the water, an example is seaweed
antibiotics- medicine people use to kill bacteria or a virus in 
- microscopic organisms that help break down dead material
browsers- herbivores that search for and eat parts of larger plants like twigs, leaves and shoots
canopy- highest level of the forest ecosystem, this is where birds live and mature trees grow
carrion- parts of dead animals
chlorophyll- green substance found in leaves that helps plants undergo photosynthesis
cud- food that herbivores re-chew after it has already been in their stomach
detritus- garbage, the detritus food web is made of decomposers
to breakdown food in the body

ecosystems- different types of land, desert, ocean, arctic, forest also referred to as biomes or habitats
fungi- a decomposer that grow on the ground and help break down dead materials, for example, a mushroom
grazers- herbivores that search for and eat grass and seeds found on the ground
herb/fern layer
- fourth layer in the forest which contains herbs, ferns and animals who live closer to the ground
lichens- plant similar to moss, furry texture unlike grass
itter layer- bottom layer of the forest where you can find moss, lichens and decomposers at work
nectar- sweet drink that comes from flowers
opportunistic eaters- animals that eat anything available to them
parasites- tiny animals that live on and feed off of others in order to get the nutrients they need

- process by which sunlight is turned into nutrients for plants

phytoplankton- very small producers in the under water ecosystem, similar to algae
predator- carnivorous animal who hunts and kills for their food
prey- animals who are killed by predators for food
primary consumers- the first consumers in the food chain also know as herbivores
primary producers- the only producers on the food chain, and where the food chain begins, these producers are usually called plants
processed- changed to make it useful and eatable to humans
rodents- small animals on the ground who eat insects and plants, some examples are mice or rats
scavengers- carnivorous animals that don't hunt for food but eat others leftover scraps
seabed- the bottom of the ocean or sea
secondary consumers- the second consumers in the food chain, carnivores who only eat herbivores
tertiary consumers- the third consumers in the food chain, carnivores who eat both herbivores and other carnivores
understory- second layer in the forest, includes small and young trees
vegetarian- someone who doesn't eat meat 
venom- poison that snakes use to kill their prey  
zooplankton- small herbivorous fish who eat phytoplankton, some examples are crabs or shrimp.

The Food Chain