Vocabulary
organisms of the same species that live in the same ecosystem at the same time
What is a "population"?
Using the "Changes in a Deer Population" Graph:
Letter Z
What is exponential growth?
destroyers of wildlife and plant communities by rooting around and digging up the soil
What are feral hogs?
a number of unplanned samples are chosen, counted, and divided to find the average amount per square; that total is then multiplied times the number of squares in the field.
What is a "random sample"?
One way a population can grow.
What is more births than deaths, migration of more of the species, less deaths than births?
the largest number of individuals of one species that an ecosystem can support over time
What is a population's "carrying capacity"?
Using the "Changes in a Deer Population" Graph:
Letter R
What is a "limiting factor"?
Buzzzzz!! These pests have taken over our natural pollinators!
What are the Africanized Bees?
the type of counting method used for a population that is hard to track, migrates, or hides
What is "mark and recapture"?
Do limiting factors cause an increase or decrease in population size? Explain.
What is decrease?
To limit means to reduce; limiting factors is something that reduces the population.
anything that restricts the number of organisms in a population
What are "limiting factors"?
Using the "Changes in a Deer Population" Graph:
Letter X
What is the "carrying capacity"?
these viney fingers wrap around motors and dams, clogging up our waterways
What is hydrilla?
Orangutans are spotted on the island of Sumatra. Scientist count 6 orangutans in one square mile. What is the estimated population in 100 square miles?
What are 600 orangutans?
6 X 100 (sample count)
Give 2 examples of limiting factors.
What are... predators, disease, natural disaster, extreme weather, deforestation, invasive species, more competition, less resources?
a plant, fungus, or animal that is not native to a specific location and causes harm when introduced
What is an "invasive species"?
Using the "Changes in a Deer Population" Graph:
Letter A
What is the "population size" of the deer?
the fur trading industry brought these pesky beasts to our swamps and wetlands
What are nutria?
The Northern Pike are back. The Fish and Wildlife Division caught these random samples on the river - 5, 4, 0, 1, 5, 3. Estimate the amount of water wolves in 10 miles of river.
What are 30 Northern Pike?
18/6 X 10 = 30 Northern Pike
Populations can have a negative growth rate.
True or False? How?
What is true? Populations can have more deaths than births.
the quick upward growth of a population that has plenty of resources
What is "exponential growth"?
Using the "Changes in a Deer Population" Graph:
Letter B
What is "time"?
They are fun to watch at the zoo eat dog food, but they are not fun when they jump in your boat!
What are the Asian Carp?
Mrs. Hayes captured 18 frogs and using a loop around their leg tagged them. Over a month she recaptured 25 frogs and looked for the tag. Of those 25, 10 of the recaptured frogs had tags. What can she estimate her local frog population to be?
What is "45 frogs"?
25 captured X 18 marked/ 10 recaptured with mark
Which letter in the alphabet most resembles exponential growth?
"J" or "S" - Explain.
What is "J" - because growth starts out slow and quickly increases at a sharp upward angle?