Affiliate Marketing Secrets

1.Earth has undergone some catastrophic changes from time to time. Which of these most likely explains why life on Earth continued following these catastrophes?
A. Dominate species had a slow mutation rate.
B. Many species filled the same niche.
C. A strong species had many different characteristics.
D. A wide diversity of species existed.
2. When a species shows a variety of colors this demonstrates
A. Species diversity
B. genetic diversity
C. Species richness
D. Ecosystem diversity.
3. Genetic diversity within interbreeding populations increases
A. The chance of an outbreak eliminating the species.
B. the amount of species in the ecosystem.
C. The chances that some species will survive during a changing environmental condition or during an outbreak of disease.
D. The likelihood of an unstable ecosystem.
4. Which of the following has the greatest species diversity?
A. Polar region
B. rainforest
C. Prairie
D. Mountain range

Well if i was the last person on earth i would take an calendar, and start marking my days so i can keep track of how many days went by. I would go to my close super market and grab anything, or i might just move in there. I live close to a big shopping center and lots of other stores. Day 1 find shealter or build it, im pretty sure i would find it cause there are over millions of houses beside me, but before i do this i gota make sure that i can do it and survive for a long time, i know there is no point of it because life on earth has all vanished, but i would still wana live and see what happens. And plus i can go where ever i want. But the first place i would wana go to is Area 51 americas top secret military base. And it would be awesome to see whats down there. But yea if i were the last person i wont just commite suicide, i would try to survive intel my time comes to an end. What would you do if you were the last person on Earth?

1. what is an ecological niche ? give an ex?
2. describe six characteristics shared by all ecosystem?
3. how does energy move in ecosystem?
4. why doesn’t trash decompose in a modern landfill?
5. what is the ozone layer ? where is it located? why is it important to life on earth?
6. what is the ozone hole? how hav government responded to the discovery of the ozone hole?
7.why is ozone in the stratosphere considered beneficial whereas ozone at ground level is not?
8.what is acid rain? what steps would have to be taken to solve the acid rain problem?
9. why is the greenhouse effect a current areas of scientific concern when the earth has had carbon dioxide ,methane, and water vapor for several billion years?

in science we have to write a final essay describing life on earth. here are the directions:
Write an essay describing life on earth. Which are the first organisms to appear? How are later organisms able to evolve? In what order did they appear? How are they different? Please use the following words in your essay
Algae
Amphibian
Angiosperm
Annelid (Segmented worm)
Arthropod
Asexual reproduction
Bacteria
Biome
Bird
Cell
Charles Darwin
Chordate
Classification
Cnidarian
Cold Blooded
Competition
Consumer
Echinoderm
Environment
Evolution
Fish
Flatworm
Gene
Gymnosperm
Insect
Invertebrate
Mammal
Molecule
Mollusk
Moneran
Natural selection
Niche
Nonvascular plant
Nucleus
Ocean
Organ
Organism
Organ system
Population
Producer
Protist
Reptile
Roundworm
Sexual reproduction
Species
Tissue
Vascular plant
Vertebrate
Virus
Warm blooded