Living Things
Energy Flow
Cycles of Matter
Math
100
What is the first level of ecological organization?
individual
100
An organism that eats other organisms or organic material.
consumer
100
What happens during evaporation
liquid turns to gas
100
A town has a population of 10,000 people and 150 births in one year.
What is the birth rate per 1,000 people?
15 births per 1,000 people?
200
What's ecology?
the study of the interactions of living organisms with one another and with their environment.
200
what do we call an animal that eats both plants and animals?
omnivore
200
define law of conservation of energy.
energy can change forms, but can't be created nor destroyed.
200
A city has 45,000 people living in an area of 90 square kilometers.
Find the population density.
45,000 ÷ 90 = 500 people per square kilometer
300
What are the two kinds of migration and what do they mean?
Another is Immigration (moving into a pop) or emigration (leaving a pop).
300
food chain
300
In the water cycle, what happens after evaporation?
condensation
300
A city has a population of 84,000 people and a population density of 700 people per square mile.
What is the land area of the city?
120 square miles
400
provide the 6 examples of abiotic factors from the notes
soil, light, water, air, humidity, and temperature
400
What are 3 examples of producers
any plants
400
This element is the building block of life for organisms on Earth?
carbon
400
A town has a population of 50,000 people, 900 births, and 650 deaths in one year.
Calculate both rates and determine whether the population is increasing or decreasing.
Birth Rate = (900 ÷ 50,000) × 1,000 = 18
Death Rate = (650 ÷ 50,000) × 1,000 = 13
Population is increasing (birth rate > death rate)
500
Give me the 5 examples of limiting factors from the notes
low food supply, disease, predators, limited space, and nutrition availability
500
define energy pyramid
a triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain.
500
what are two compounds are made during nitrogen fixation?
ammonia and nitrates
500
Two towns have the same population of 36,000 people.
- Town A has a land area of 24 square miles
- Town B has a population density of 900 people per square mile
- a) What is the population density of Town A?
b) What is the land area of Town B?
c) Which town is more densely populated?
a) Town A density = 36,000 ÷ 24 = 1,500 people per square mile
b) Town B land area = 36,000 ÷ 900 = 40 square miles
c) Town A is more densely populated (1,500 > 900)