This is the permanently frozen soil layer found in the tundra.
What is permafrost.
This system contains the hair, skin, and nails.
What is the integumentary?
This is an example of a population.
What is a group of 1 type of animal?
This is the difference between and ionic and covalent bond.
This is the carrying capacity for WallaWalla island. 
What is 80 deer?
The organism that a parasite lives in.
What is a host?
This is how the nervous and endocrine send signals through the body.
What are electrical for nervous and chemical for endocrine.
This is a carrying capacity graph.
What is a graph that spikes and then levels off?
This is what type of molecule water is.
What is polar?
Draw a picture of a food chain with 5 levels.
What is Producer --> consumer X5 ?
What is a toxin that accumulates up the food chain.
What is biomagnification?
This is keeping the body in a balanced state.
What is homeostasis?
What is the biggest threat to animals due to human impact?
What is habitat destruction?
These are the 4 macromolecules and what they all have in common.
What are: carbs, lipids, proteins, and nucleic acids. They all have a carbon backbone?
What equation does this population pyramid show?
What is the birth rate + immigration rate > death rate + emigration rate? A increasing population?
This is the difference between zooplankton and phytoplankton.
What is zooplankton are animal consumers and phytoplankton are photosynthetic plants?
This is another word for the sperm / egg.
What are gametes?
This is an example of commensalism, parasitism, mutualism, and predation.
What is varied answers.
This is one unique property of water.
What is adhesion, cohesion, density, or specific heat capacity?
Zebra mussels are an invasive species in Lake Erie. This is how invasive species can destroy an ecosystem. 
What is they have no natural predators, so they can overpopulate and take nutrients from other species and cause other things to die off?
This is an estuary.
What is a combination of saltwater and freshwater?
These are the 12 body systems.
This is the difference between R-specialist species and K-specialist species and an example of both.
What is R have short lives, quick reproduction, and little parent investment. Ex: Bugs. What is K have later reproduction, fewer offspring, and parents. Ex: Tiger
This is the Lewis Dot model and Bhor Model for Neon (10) and how many bonds it wants to form.
What is: 2, then 8. 0 bonds?
This is what state Miss. Bloomster is in.
What is South Dakota?