Astronomy Midterm #2

Description

Quiz on Astronomy Midterm #2, created by Annie Medina on 02/04/2018.
Annie Medina
Quiz by Annie Medina, updated more than 1 year ago
Annie Medina
Created by Annie Medina about 6 years ago
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Resource summary

Question 1

Question
Which of the following is true about a star's blackbody curve?
Answer
  • 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.

Question 2

Question
Define Electromagnetic spectrum:
Answer
  • 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

Question 3

Question
Which terrestrial worlds have a thicker atmosphere? why are they similar?
Answer
  • 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

Question 4

Question
What are the difficulties in defining life?
Answer
  • 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.

Question 5

Question
How do we first approach an attempt to define it?
Answer
  • 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.

Question 6

Question
The process of natural changes that take place during an organism's life is called ____.
Answer
  • growth
  • adapatation
  • developement
  • response

Question 7

Question
Which is required of all living things?
Answer
  • sunlight
  • oxygen
  • Carbon dioxide
  • energy
  • mobility

Question 8

Question
Order means:
Answer
  • 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.

Question 9

Question
Reproduction means:
Answer
  • 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

Question 10

Question
Growth and Development:
Answer
  • 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

Question 11

Question
Energy utilization:
Answer
  • living organisms use energy to fuel
  • is not always required in all organisms
  • order, reproduction, growth and development, don't require it

Question 12

Question
Response to the environment:
Answer
  • life actively responds to changes in its surroundings
  • focuses on Darwinism theory
  • none of the above

Question 13

Question
Evolutionary adaption:
Answer
  • 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

Question 14

Question
What are the general properties of life on Earth:
Answer
  • Order
  • Reproduction
  • Growth and Development
  • Energy Utilization
  • Evolutionary adaptation
  • Response to the environment
  • homeostasis
  • Fossilazation
  • Genetics
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