What is it called when organisms in a population breed among themselves?
A) Organism
B) species
C) population
species
Population sizes of the predators or prey are changing constantly with the availability of adequate food supply.
A) pray
B) Predators
Predators
A living or once-living organisms in an ecosystem is a?
A)biotic factor
B)abiotic factor
C)community
D)population
biotic factor
A nice smell is an adaptation that __________________.
A)helps the plant keep water inside the leaves.
B)attracts pollinators to the plant.
C)pokes animals that try to eat the plant.
attracts pollinators to the plant.
What type of succession is shown going from figure A to figure B?
A)primary succession B)secondary succession
secondary succession
What allows predictions to be made?
A) Statistical study of population
B) Species
C) Biome
Statistical study of population
Symbiotic relationships are relationships where different or same species live together.
A) Some
B) different
different
Which of the following is not a biotic factor?
A)mushroom
B)coyote
C)air
D)elephant
air
Some plants have small leaves that help them do which of these?
A)grow tall
B)make seeds
make seeds
C)save water
D)fall off in winter
save water
What is one result of pioneer species in Primary Succession?
A)To kill the dead materials after a disaster
B)To feed Johnny
C)To rebuild soil
D)To put fresh oxygen into the air
To rebuild soil
How do you find Population density?
A) length times width
B) how many animals
C) Number of individuals in a given area or volume
Number of individuals in a given area or volume
A parasite, such as a flea or a worm in dogs, shows an example of one organism receiving it’s ________________ from another host
A)producers C)competition
B)consumer D)Nutrition
Nutrition
Which is an example of a biotic factor in an ocean?
A)sand
B)water
C)waves
D)starfish
starfish
What two plants do you see that are adapted to live in a freshwater habitat?
A)poplar and cypress trees
B)mosses and mushrooms
C)oak and chestnut trees
D)water lilies and cattails
water lilies and cattails
What starts with bare rock followed by lichen or moss?
A)primary succession
B)aquatic succession
C)secondary succession
D)both primary and secondary succession
primary succession
What can determine the maximum population size?
A) The animals
B) Available resources
C) the biome
Available resources
Parasitism is an example of a symbiotic or predator vs. prey relationship.
A)Predator vs. pray
B)symbiotic
symbiotic
Nonliving elements in an ecosystem are called _______________.
A)limiting factor
B)abiotic factor
C)biotic factor
D)carrying capacity
abiotic factor
Which of these choices is an example of something that is needed for survival?
A)Adaptation
B)Water
C)Food
D)All of the above
All of the above
As succession progresses, animal species diversity increases due to the fact that
A)less soil is being created
B)precipitation rates stabilize
C)food choices increase
D)temperatures moderate
food choices increase
There can only be as many ___________ as the ____________ ___________ can support.
organisms; environmental resources
The _____________between different species is constantly changing due to the __________ of predators and prey.
A)Life cycle C)population
B)Competition D)organism
Competition; population
An ecosystem is made up of all the ___________ and _____________ factors in an area.
A)life/ biotic factor
B)Limiting Factor/ Carrying Capacity
C)not/without
D)Living/ Nonliving
Living/ Nonliving
Why do frogs and other organism reproduce so many eggs or offspring?
A)so that their babies can have friends to play with
B)the more offspring the less likely offspring will survive
C)the more offspring the more likely the offspring will survive
D)the more offspring the less competition
the more offspring the more likely the offspring will survive
Lichens are important to the creation of an ecosystem due to the fact that they create soil by?
A)becoming tall
B)reproducing asexually
C)collecting water
D)breaking down rock
breaking down rock