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BLY 122 FINAL- NEW MATERIAL
Terms in this set (38)
Spiders, scorpions, ticks, etc. are called _____ because of their pincers.
Echinoderms ONLY live in ______ water.
Echinoderm tube feet aid in locomotion as well as ______.
What do echinoderms use to move stuff around as well as control water pressure?
Water vascular system
What are the 4 characteristics of a chordate?
2. pharyngeal slits
3. post-anal tail
4. neural tube
Toothlike structures imbedded in the skin of sharked
Individual organisms that think as a colony are called
movement in response to a specific stimuli
What is an animal doing something nice without wanting something in return called?
Calculating something over time is called a
A factor affecting population size/ growth that does not rely on how big/dispersed the population is is called
density-independent (abiotic)-- usually a natural catastrophe
A factor affecting population size/growth in which population size does matter is called
density-dependent (biotic)- disease, food availability
Which has higher birth and death rates: a developed country or developing country?
An organism's evolved pattern of resource investment
Define what your adaptations are-- 'house number' on your street [habitat]
The reality niche is called the
The ideal niche (when roommate leaves) is called the
fundamental niche-- no competition for resources
Type of symbiosis in which both organisms benefit
Type of symbiosis in which one organisms eats another
In nature, there is always a _____ and a _____ (no sharing). What is this called?
winner; loser-- the Exclusion Principle
Type of symbiosis in which one organism is benefitting and the other is neutral-- not being harmed
An organism that a habitat would crash without is called a _____________.
A community of organisms and their physical environment and interaction amongst them is called an
The base level (and most important level) of the food pyramid is called the
Where are decomposers on the food chain?
What two things are biomes dependent on?
What is the term that explains why the rainforest is so wet?
Evapotranspiration ---- immense amounts of transpiration going on
As you move towards the equator, species diversity _______
What has allowed for plants to migrate all over the world and invade
The substance dissolving coral reefs is
What is the disease that corals get when waters become too warm, allowing many different diseases to inflict on the coral?
Cnidarians have __ germ layers
bilaterians have__ germ layers
Mesohyl support cells
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