WorksheetsRC
Total questions: 15
Worksheet time: 15mins
Two animals that are closely related would demonstrate which of the following?
low amounts of their DNA sequence in common
high amounts of their DNA sequence in common
similar methods of flying
the same type of habitat
Cows and horses both have hooves on their feet. Which of the following conclusions could be made?
cows descended from a fish
cows and horses can reproduce with each other successfully
cows and horses are in the same species
cows and horses share a common ancestor
What is an adaptation?
a trait that you can acquire in your lifetime to help you survive
an inherited trait that helps you survive and reproduce
a trait that disappears when you are 15 years old
When an animal changes and tries to adapt
Which of the following best describes evolution?
spermocytes disfigure and destroy their spermotaphores
individual animals change over time
individual animals try really hard to grow wings and adapt
populations change over time, not individuals
Which of the following will happen to the giraffe population in a few years?
the genes for long necks will increase in frequency
the genes for short necks will increase in frequency
the short neck giraffes will start trying to grow longer necks
the long neck genes will disappear from the population
This is an example of which of the following?
active transport
natural seleciton
homologous structures
common ancestry
What does fitness mean in biology?
the ability to starve successfully and die
the ability to reproduce asexually
the ability to get killed
the ability to survive and reproduce
Which group of animals has claws or nails?
hagfish, chimpanzee, pigeon
hagfish, salamander
lizard, pigeon, mouse, chimpanzee
salamander, human, mouse
Which of the following levels would indicate the closest relationship? (similar DNA)
kingdom
order
genus
phylum
Rift valleys can from when fractures in Earth's crust widen. The valley walls slowly move at a rate of only a few millimeters a year. Which of these best describes the type of tectonic activity that forms rift valleys?
Rift valleys from where a continental plate moves under an oceanic plate
Rift valleys form where a plate slides horizontally past another plate
Rift valleys from where two plates move away from each other.
Rift valleys form where an oceanic plate moves under another oceanic plate.
A mid- ocean ridge separates the Pacific plate and the Nazca plate off the western coast of South America. Which statement best describes the relative motions of the Pacific and Nazca plates?
The Pacific and Nazca plates are moth moving to the east.
The Pacific and Nazca plates are both moving to the west
The Pacific plate is moving to the west, and the Nazca plate is moving to the east.
The Pacific plate is moving to the east, and the Nazca plate is moving to the west.
The map shows the locations of four active volcanoes in the Caribbean Sea. What do these volcanoes indicate about plate tectonics in the region?
The volcanoes form an island arc, indicating a converging plate boundary
The volcanoes form a line, indicating a diverging plate boundary.
Two plates are moving past each other, causing faulting and magma formation.
Two plates are moving apart, creating new seafloor
RC
Resistance and Capacitance
Radioactive Carbon
Reaction Coefficient
Refractive Coefficient
RC
A type of circuit used to filter signals
A method to measure radiation
A chemical reaction rate
A biological process
RC
The time constant of an RC circuit is the product of resistance and capacitance
The time constant of an RC circuit is the sum of resistance and capacitance
The time constant of an RC circuit is the difference between resistance and capacitance
The time constant of an RC circuit is the ratio of resistance to capacitance
