in all ecosystems biotic things ___________ with abiotic things
interact
A pine tree uses the same water source as the grass. This is an example of...
competition
Which type of succession takes place in an area where life has never lived before?
primary succession
An example of predation is
answers will vary
A living thing is
A non living thing is
Biotic
Abiotic
what method do scientists use to count the amount of organisms in a certain area
sampling
Lightning strikes a tree and causes a forest fire. This is an example of...
weather
The first organism present in primary succession is known as a
pioneer species
If the hare population decreases then which of the following will happen to the population of lynx:
it will also decrease
What are the three types of symbiosis?
commensalism, mutualism, parasitism
Building dams, forest clearing, floods and droughts
Zebra mussels travel across the ocean and take over Lake Superior. This is an example of...
bioinvasion
after lichen breaks down rock what is the next thing to grow?
mosses, grasses, fungi and herbs
If the hare population increases then which of the following will happen to the population of lynx:
it will also increase
a place where garbage is placed and not buried is a
dump
These are 2 natural changes in the ecosystem
forest fires, tornados, hurricanes, wind storms etc.
A coyote catches a roadrunner and eats it for dinner. This is an example of...
predation
Oak trees begin growing in a field of grasses and shrubs. The oak trees are an example of...
climax community
if the amount of grasses disappear, what will likely happen to the population of the rabbit
it will decrease
An bird and a tree and tree is an example of
commenselism
This is the result of something happening when it was not originally meant to happen.
What is unintended consequences
what are 3 ways that weather can change an ecosystem
natural disasters, floods, lightning
what type of trees grow first?
if the lynx population goes down in an ecosystem, what would happen to the producers?
likely go down since the primary consumers would go up
The five basic needs of life are
water, energy, oxygen, food and suitable living conditions