Share 8th grade Science End-of Year Assessment
Save to Folder
A section of DNA that codes for a trait is called a
Gene
Which is a cause of mutations?
exposure to UV light, x-rays, radiation, chemicals
What will MOST likely happen over generations if different traits help organisms survive in different parts of an environment?
Traits disappear
Different populations will form based on traits
All organisms die
All organisms become identical
What type of environment would favor flowers that open at night?
Presence of nocturnal or nighttime pollinators
Sexual reproduction results in offspring that have
Have genetic variation
What is an advantage of sexual reproduction over asexual reproduction?
Increases genetic diversity
Will a plant placed in sunlight grow more or less than if it were placed in darkness?
more
Will an environmental factor such as drought affect plant growth?
yes
Pollination between two different plants is what type of reproduction?
Sexual
Which food produces the MOST carbon emissions?
Beef
Rice
Carrots
Tomatoes
What affects the flow of ocean currents and wind?
shape of landforms
Why does sunlight intensity vary on Earth?
Angle of sunlight
The boundary between air masses is called a ...
Front
Air pressure moves from...
High to low pressure
Gravity’s role in the water cycle is to
Pull water downward
What two things drive the water cycle?
Sun’s energy and gravity
