What will happen if 2 or more populations compete for the same resources?
the weaker one will die out
100
What percentage of genes come from the mother to an offspring? A father?
50% or 1/2
100
What typeof energy does not pollute the enviroment?
solar energy
100
How many chromosomes are in your body?
46
100
What happens when humans build homes and business?
habitats are destroyed and top layers of soil
200
What do you call the adaptation animals have that allows them to blend in with their surroundings?
camoflage
200
What is the passing of traits from the parents to their offspring called?
heredity
200
Mushrooms and bacteria are examples of what?
decomposers
200
If your mom has green eyes and your dad has brown, but your sister has green eyes and all of your mothers traits, is it possible to haveyour mothers traits?
yes
200
Name 3 ways humans affect the environment?
habitats reduction such as deforestation, pollution
300
Fleas, ticks, tapeworms, and leeches are examples of what?
parasites
300
How many pairs of chromosomes do humans have?
23
300
Name 2 easily observable traits that are caused by dominant or recessive genes in humans?
rolling your tongue, freckles, dimples, attached or free earlobes, length of first two toes, color of hair, color of eyes
300
Which biome would you fine a artic fox?
a) tundra
b) rain forest
c) savanna
A
300
What is the process called when plants make their own food?
photosynthesis
400
What do scientists call the path of energy from one animal to the next?
food chain
400
Is the ability to play basketball a trait that is inherited from an offspring's parents or learned?
learned
400
What do we call an inherited part of genetic matter?
gene
400
Which ecosystem supports a frog?
1) ocean
2) estuary
3)pond
3
400
Which two elememts are recyled naturally in the enviroment?
carbon & nitrogen
500
What are interconnecting food chains called?
food webs
500
Which is an inherited trait?
a) color of eyes
b)skin color
c) ability to catch a ball
A and B
500
Which of the following is mostly likely a behavior that has been learned because it was influenced through the enviroment?
a
500
How many zones are in the ocean?
3
500
How does pollution from cars and burning power plants harm the enviroment?