Environmental and Human Impact Vocabulary Crossword

When a plant bends towards the light.
The wise and careful use of natural resources.
Long periods without rain, causing the area to become dry.
The combination of annual average temperature and precipitation.
When a plant seed sits in a package for a long period of time, without growing.
When the numbers of a species go very low and scientists become very worried about its ability to survive.
A process in which algae over grow in a pond due to fertilizer, and then when the algae dies and decomposes, much oxygen is removed from the pond, affecting fish.
A species is introduced to a new area which is strange to it, and it has no natural predators.
Chemicals used to help plants grow.
When a species completely dies out.
Items like space, food, shelter, mates that keep a check on the size of a population.
The amount of offspring born each year.
The number of organisms in a population that pass away during a year.
The amount of individuals that live in a specific area.
When the numbers of Canadian geese increase due to more individuals joining a flock.
When a number of foxes leave an area due to not enough food, space, etc.
The maximum amount of individuals that an area can hold, due to food, water, space, mates, etc.