Environmental Change
Ecological Succession
Changes in Genetic Traits
Mystery
100
T/F: Environmental Changes cause changes in traits in (Individual) organisms.
FALSE
100
What is Ecological Succession?
Slow, progressive change in an ecological community
100
Where the better adapted organisms survive to pass traits along to offspring.
Natural Selection
100
Selective breeding is where ___________ determines which traits should be passed on
humans
200
An Oil spill is what kind of change?
Short Term
200
An area that begins with bare rock and takes longer to become a forest is...
Primary Succession
200
Natural selection means that what is changing over time?
The inherited traits of a population.
200
The Hood mocking bird has a longer beak than other mocking bird, why is this?
It is an adaptation to the food available in its habitat
300
If something causes changes in DNA of the organism it is considered....
Long Term Change
300
10. Which is the correct order in primary succession?
A) Rocks, Lichens & Mosses, Bushes & Shrubs, Trees
B) Lichens & Mosses, Rocks, Trees, Bushes & Shrubs
C) Trees, Bushes and Shrubs, Lichens & Mosses, Lichens & Mosses
D) Rocks, Grass, Trees, Bushes & Shrubs
A) Rocks, Lichens & Mosses, Bushes & Shrubs, Trees
300
Do organisms "decide" to evolve and change? Why or Why not?
No, they change because of natural selection
300
Climate change can cause what 2 types of situations among a population.
1. animals and plants adapt to new temperatures
2. animals that cannot adapt go extinct
400
A species could go extinct if...
the environment changes drastically and organisms can't adapt
400
What is the difference between primary and secondary succession?
Primary has no soil, Secondary has soil
400
Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. What will we likely see in 50 years among the moth population?
A population of mostly light colored moths
400
The expansion of cities leads to a decline in the deer population. What type of environmental change is this?
Long term
500
Which of the following is NOT true about long term impact on the environment?
A) occurs slowly over time
B) Lasts generations
C) All organisms will go extinct
D) Can change the DNA of an organism
C) All organisms will go extinct
500
A farmer abandons his farm. After a short time a forest begins to grow on his abandoned farm. What type of succession would this be considered?
Secondary Succession
500
Mary is a dairy farmer, just like her father and grandfather before her. Their family has kept data for all of the cows born and raised on their farm since her grandfather first started in 1906. What is the most likely explanation for the data shown in the graph?
The farmers have been selectively breeding cows that produce the most milk.
500
Why is the mouse population changing over time?
The hawks eat more light mice than dark mice because they can see the light mice more easily