Genetics
Name for an allele that only shows if there are two copies of it present.
recessive
How many chromosomes do human body cells have?
23 pairs
Green moths surviving better in a forrest than brown moths is an example of a what?
An adaptation
Which statement explains why daylight and darkness appear on Earth?
What is The Earth rotates on its axis.
Which changes of state require removing thermal energy?
What is Freezing & condensing
Name for having a combination of one dominant and one recessive allele.
What is heterozygous
Adenine (A) always pairs with______.
Thymine (T)
A biologically fit organism is one that can
produce a lot of offspring
What will happen to your mass and weight if you travel to the moon?
What is your mass will stay the same but your weight will decrease.
Which part(s) of the water cycle are driven by the force of gravity?
What is surface runoff and precipitation
The name for a chart used to predict all the possible outcomes of a genetic cross
What is a Punnett square
Where is genetic material stored in eukaryotic cells?
Nucleus
A seal and a bird have similar anatomy (bone structure) in their flippers and wings even though the seal uses its flippers to swim and the bird uses its wings to fly. What do scientists learn from the similarities between the two structures?
Seals and birds share a common ancestor
Why is A Mercury year shorter than an Earth year?
Mercury is closer to the Sun than Earth so has a smaller orbit around the sun.
The daily occurrence of wind, rain, and temperature is:
What is weather
The word genotype describes what about an organism
Its genetic combination (set of alleles).
The structure of DNA is called
Double Helix
An adaptation is any trait that helps an organism (2 things)
Survive and reproduce
What type of tides are the highest and strongest
Spring tides
Low pressure air masses usually indicate which type of weather?
What is Cloudy skies, precipitation and strong winds
Which would produce more variety crossing two homogenous or two heterogenous organisms?
heterogenous
A cell part NOT found in animal cells is
cell wall
Boa constrictor snakes have tiny pelvic girdles and leg bones within their bodies. Since these structures are not functional, they are called what?
Vestigial
What is it called when the sun blocks out the moon.
A Lunar Eclipse.
Which weather factor is described by its speed and direction?
What is wind