Unit 0
True or False: For something to be considered living, it must have all 6 characteristics of living things.
True
What word defines individuals moving OUT of an area?
Emigration
"E" for exit
What two forces drive natural selection?
DNA mutations and Environmental changes
What of the following classification is the most inclusive?
Family, Order, Class, Phylum
Phylum
If a student is observing a plant and makes observations about the shade of green and smell the flowers give off, what type of data would this be?
Qualitative data
When scientifically naming an organism, what order do the classifications come in?
Genus species
What type of relationship would we observe between a hawk and mouse?
Predator-Prey
What type of isolation occurs where individuals in a species choose their mate through sexual selection such as birds with their mating calls?
Behavioral Isolation
What types of structures have different structures but similar functions?
Analogous
What characteristics of living things do viruses NOT have?
Not made of cells
Cannot reproduce
Homeostasis?
All living things can be divided into two board categories, these categories pertain to number of cells and the presence of absence of a nucleus. What are these two categories?
Eukaryote and Prokaryote
(eukaryotic and prokaryotic)
Name 4 examples of limiting factors.
ex. humans, urbanization, food, land, water, disease, predators, possible mates etc
What types of structures no longer serve a function?
Vestigial Structures
What are the three domains?
Bacteria, Archaea and Eukarya
What are the three types of sympiotic realtionships we observe between species?
Mutualism, Parasitism, and Commensalism
Name 4 of the 6 characteristics of living things.
1. Made of cells
2. Ability to reproduce
3. Respond to environment
4. Metabolism
5. Maintain homeostasis
6. Grow and develop
Describe commensalism.
It is a relationship between two organisms in which one species benefits while the other species remains unaffected or unbothered.
Yes or no: A housecat finds a good scratching post and decides to sharpen its teeth on it. Because of these sharp teeth, the cat is better able to catch prey. Is this an example of natural selection?
No! The trait would not genetically be passed down
True or False: A trait that is acquired during a lifetime be passed onto offspring.
False
Yes or No: A farmer decides to clip tags to all of his sheep's ears to make sure he knows his own animals. Every season, he makes sure to clip tags onto all the new sheep once they are born. Is this an example of natural selection?
No. Natural selection must occur over generations and is selection for traits within DNA.
What are the 6 kingdoms of living things?
Animals, plants, fungi, protists, bacteria and archaea
When a population of organisms has reached the max number of individuals an environment can support, it has reached...
Carrying capacity
A group of mother dogs have a couple litters of puppies in their lives. Which is the following is more fit?
A. 4 year old dog with 11 puppies
B. 6 year old dog with 15 puppies
C. 2 year old dog with 5 puppies
Dog B
Name the four types of Isolation
Behavioral isolation
Geographic isolation
Temporal isolation
Reproductive isolation
What domains are prokaryotes?
Bacteria and Archaea