Definitions
_____ refers to the number and variety of organisms in an area.
biodiversity
A limiting factor refers to the prevention of population growth. ______ refers to a limiting factor that occurs despite the number of individuals in the given population.
Energy can not be lost or created, only changed into different forms. This is explained by what law?
Law of Conservation of Mass/Energy
True or false: the increase in teeth size was one of the most vital trends in hominid evolution
false, the decrease
What two factors contribute to the growth rate of a population?
birth and immigration
Photosynthesis
When environmental conditions exceed carrying capacity tolerance, what occurs first?
Stress
What is the main source of energy that allows cellular respiration to occur?
Glucose (food!)
A bat and a whale have similar bones in their wings/fin, this is an example of ______ anatomy.
homologous
Give me an example of a pioneer species
Anything on a rock (moss, lichen, fungus)
What is the name of the part of the Earth where things live?
biosphere
If two organisms evolutionarily share a family, they must also share what other level?
a) they can not share any other level
b)genus
c)species
d) order
d) order
The main job of a primary producer is to _____
convert sunlight/CO2 into usable energy for other organisms
The development of a larger cranial capacity contributed to what two other hominid abilities?
language and tools
What biological theory states how life on Earth was created?
endosymbiotic theory
____ refers to the introduction of genes from one population to another.
gene flow
A _____ protects the careful salinity of an estuary. If this were destroyed, there would be too much salt for native creatures.
Barrier Island
True or False: The biogeochemical cycles can be performed backwards. For example, humans can intake the products of cellular respiration.
false, matter can only be transferred in one direction
Lucy was what type of hominid?
Australopithecus afarensis
What are the roles of the atria and ventricles?
The atria brings blood in, the ventricles pump blood away
A population's age structure refers to _____ and ____
age and gender
Florida agriculture is well known for its concept of "controlled burns". This is a method of landscaping that causes a purposeful wildfire. Controlled burns are a man made example of what ecological event?
Succession
Nitrogen fixation moves nitrogen in one direction though the ecosystem. The main product of nitrogen fixation is _____
ammonia
Homologous organisms share _____ while analogous do not.
a common ancestor
Auxin is a plant hormone that promotes elongation. What part of the plant's anatomy allows this hormone to travel throughout the organism?
vascular tissue