Evolution
Which of the following is an abiotic factor in an ecosystem?
plants, fungi, bacteria, water
what is water
A consumer that only eats producers is a _______
What is a herbivore
What is a tropical rainforest
Between 1880 and 1930 human population doubled due to
What is a combination of high birth rates and lowered death rates
The number of wild horses per square kilometer in a prairie is the horse population's __________
What is density
The process that causes the characteristics of a population to change without human control
What is natural selection
Which of these consumers might depend on a rabbit for energy?
Grasshopper, Cow, Coyote, Horse
Absorbing and removing pollutants from water, trapping carbon that would otherwise be released into the air, controlling floods.
Give two(2) stratagies that would reduce population size
economic incentives, public advertising, legal punishments, educating women
Rabbit, Human, Elephant, Horse
Which of these has the highest reproductive potential?
What is rabbit
The place that contains everything an organism needs is its ________
What is a habitat
What is the ultimate source of energy for almost all organisms?
What is the sun
Estuaries are extremely productive ecosystems because they continually receive fresh nutrients from ________ and ________.
What are rivers and oceans
What is a reason that wood is considered a limited resource (particularly in many developing countries)
What is people cutting down trees faster than they can grow
Whe carrying capacity of an environment for a particular species at a particular time is determined by __________
What is the supply of the most limited resources
Bacteria that are no longer killed by an antibiotic have done what?
What is evolved, developed unwanted adaptations, or developed resistance to the antibiotic.
What type of vegetation would you expect to find on an abandoned farm that has been undisturbed by humans for 150 years?
What are tall, mature trees
List the following layers of the forest in order from least light to most light.
emergent layer, lower canopy, upper canopy, under story
under story, lower canopy, upper canopy, emergent layer
An Increase in water-borne diseases could possibly be alleviated by
What is adequate sewage treatment facilities for growing populations
A bird that feeds at night and a bird that feeds during the day from the same flower is an example of what type of competition
What is indirect competition
Process that causes characteristics of a population to change in a way controlled by humans
What is artificial selection
What am I describing? A linear sequence in which energy is transmitted from one organism to the next as each organism eats another organism.
Just before you reach the top of a mountain where there is year-round ice and snow, you would see what?
(Think about what it would look like)
What are Herbs, Lichens and Mosses
What are age structure, survivorship, fertility rate, migration
what am i describing? All members of the same species living in the same place at the same time.
What is a population