Life on Earth exhibits both unity and diversity. The unity refers to the idea
that ____. Right Ans - All species share the same underlying mechanisms for
capturing and storing energy between generations
Charles Darwin proposed that organisms ____ when he proposed his idea of
evolution. Right Ans - Change with time to fit the physical and chemical
environment
After millions of years of favorable adaptations, Pygmy seahorses ____.
Right Ans - Avoid predation through camouflage
A spontaneous, inheritable change in an organism's genes is called a ____.
Right Ans - Mutation
Beneficial inheritable structural or behavioral traits are known as ____.
Right Ans - Adaptations
The process by which accumulated adaptations result in superficially similar
animals derived from different stock is called ____. Right Ans - Convergent
evolution
Most mutations have no obvious effect or are unfavorable, and the organisms
possessing them ____. Right Ans - Are eliminated by other organisms
The term used to describe species that are remotely related, yet resemble
each other in shape because their traits were independently selected by
environmental conditions ____. Right Ans - Convergent evolution
Dolphins, penguins, ichthyosaurs have undergone ____ that gave them similar
shapes through adaptations that permitted rapid swimming. Right Ans -
Convergent evolution
Mass extinctions have occurred ____ in the last ____. Right Ans - Five times;
450 million years
What do prokaryotes lack? Right Ans - A nucleus
, The three domains of living things are the Eukarya, Bacteria, and ____. Right
Ans - Archaea
Cells of the ____ domain are larger than those of the ____ domain. Right Ans -
Eukarya; Bacteria
Linnaeus was best known for his greatest contribution of ____. Right Ans -
Classification system based on hierarchy, a grouping of objects by degrees of
complexity, grade, or class
Living organisms are ____, which differentiates them from nonliving
organisms. Right Ans - Able to capture, store, and transmit energy
In photosynthesis, plants use the energy in sunlight to convert water and
carbon dioxide into ____. Right Ans - Carbohydrates and oxygen
Light energy from the sun is trapped by ____ in primary producers and change
into chemical energy. Right Ans - Chlorophyll
____ are responsible for the vast majority of the ocean's primary productivity.
Right Ans - Phytoplankton
Consumers that eat primary producers are called ____. Right Ans - Primary
consumers
The organisms that make their own food are called ____. Right Ans -
Primary producers
Which of the following is an example of a primary producer? Right Ans -
Phytoplankton
Scientists can observe primary productivity in the ocean from space by
measuring the ____. Right Ans - Amount of chlorophyll in surface waters
Which wavelength of light penetrates to the greatest depth in ocean water?
Right Ans - Blue
In ____, dissolved substances slowly spread out from regions of high
concentrations to regions of low concentration. Right Ans - Diffusion
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