Which of the following is true about a star's blackbody curve?
a curve going to the left is hotter so it emits more light
a curve going more to the right is hotter meaning it emits less light
Hot or cold temperatures emit the same amount of light.
Define Electromagnetic spectrum:
A form of soundwaves found in space.
[HOT]bodies at different temperatures emit light at different parts of the electromagnetic spectrum.
It consists of many different colors, or wavelengths, with no gaps
Which terrestrial worlds have a thicker atmosphere? why are they similar?
Venus and Earth; the total amount of CO2 is similar
Venus and Mars; the total amount of CO2 is similar
Earth and Mars; they're both habitable
What are the difficulties in defining life?
Can be recognized and described, but not define. Some things have similar characteristics to life but aren't.
It must be a living organism. It must be able to breathe, think, eat, and so on.
Nothing but animals and plants are considered life.
How do we first approach an attempt to define it?
With scientific theories and experimentation.
With our 5 senses and then with equipment beyond our senses.
Identifying if it has a eukaryotic or prokaryotic cell.
The process of natural changes that take place during an organism's life is called ____.
growth
adapatation
developement
response
Which is required of all living things?
sunlight
oxygen
Carbon dioxide
energy
mobility
Order means:
all living organisms have in internal structure (cellular level)
refers to the concept of evolution
life is created through a series of steps, starting with the big bang.
Reproduction means:
when sex cells intertwine, creating offspring.
the start of a new beginning.
living organisms grow and develop in most cases, by heredity and along their environment
Growth and Development:
it's the cycle of life in a living organism
organisms self-replicate and reproduce own kind - DNA copied
the stages of life in an offspring
Energy utilization:
living organisms use energy to fuel
is not always required in all organisms
order, reproduction, growth and development, don't require it
Response to the environment:
life actively responds to changes in its surroundings
focuses on Darwinism theory
none of the above
Evolutionary adaption:
life evolves leading organism to adapt to their environment
explains origins of other properties and diversity
all living organisms will learn to adapt
both A&B are correct
What are the general properties of life on Earth:
Order
Reproduction
Growth and Development
Energy Utilization
Evolutionary adaptation
Response to the environment
homeostasis
Fossilazation
Genetics
