organisms that eats both plants and animals are?
omnivore
The hierarchical levels of the food chain where energy flows from producers to primary consumers, secondary consumers and so on is called...?
Trophic levels
In a food web, what role do apex predators play?
a) They are the primary consumers b) They serve as the main decomposers c) They regulate the population of other species d) They increase oxygen levels of the ecosystem
c) They regulate the population of other species
A diagram that describes the arrangement of several overlapping food chains in an ecosystem is called?
1. Energy Pyramid
2. Food Web
3. Pyramid Of Giza
4. Food Pyramid
2. Food Web
5 square miles is equal to _____??_____ acres.
(1 square mile = 640 acres)
3200
the way two organisms of different species interact in a relationship in which both individual derives a benefit.
mutualism
What are producers and what role do they play?
= organisms that can create their own food through photosynthesis, forming the base of the food chain that provides for other organisms in an ecosystem.
Which of the following tends to eat dead matter?
Consumers
Producers
Detritivores
detritivores
What is the process called in the ecosystem where it rains?
precipitation
What is the migration out of an country to settle permanently in another called?
a) immigration
b) emigration
c) irrigation
b) emigration
competition between members of the same species is known as?
intraspecific competition
The percentage of energy which does not move on to the next trophic level?
90%
How does energy flow in an ecosystem?
A) Consumers to Producers to Detritivores
B) Consumers to Producers to Decomposers
C) Producers to Consumers to Detritivores
D) Producers to Consumers to Decomposers
D) Producers to Consumers to Decomposers
Which is best exemplified by 2 species of ticks feeding on the same deer?
a. Commensalism
b. Parasitism
c. Mutualism
d. Predation
e. Competition
e. Competition
This everyday condiment found in almost every restaurant through out the U.S. was first sold as a medicine.
In the 1830s, Ohio physician Dr. John Cook Bennett began selling ______ as a remedy for indigestion and diarrhea, even creating pills for sale.
ketchup
Ecosystems are the result of ___________ and __________ interactions.
biotic and abiotic
The primary source of energy of producers?
sun
Which biological term is larger, a population or a community?
Community (a group of populations living together)
This environment contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year-round.
a. Ocean
b. Tropical rain forest
d. Desert
Desert
This certain human body part stays the same size from childhood; however, our nose and ears continue to grow.
eyeballs
The ecological rule that states that two species cannot occupy the same niche in the same habitat at the same time due to leading to the local extinction of the less competitive species is called?
competitive exclusion principle
Which of the following best describes a negative symbiotic relationship?
a) Striped bass and bluefish eat the same variety of mackerel.
b) Salmonella bacteria in the gut of humans.
c) Mountain lions feed on white-tailed deer.
d) Marsupial animals carry their young in a pouch.
b) Salmonella bacteria in the gut of humans.
Which does a secondary consumer primarily eat?
eats primary consumers/herbivores
a cyclic loop pattern where the act of amplifying a change in the ecosystem (more prey or more predators) causes a sharp increase or decrease in the stability of the ecosystem.
Positive Feedback Loop
This is the only fruit that bears it's seeds on the outside.
strawberry