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107 terms

BIO EXAM

STUDY
PLAY
A disease resulting in the deaths of one-third of a dense population of bats in a cave would be a?
Density-Dependent limiting factor
What occurs in a population as it grows?
The birthrate becomes higher than the death rate.
Which would be least likely to be affected by a density-dependent limiting factor?
A small, scattered population
The general place where an organism lives?
Habitat
Wolves and a caribou herd.
Mutualism
Dramatic decrease in methane, H2O vapor, and CO2
Global temperature decrease
How an organism interacts with it's habitat
niche
most rainfall from november through april. none in july and august
temperate woodland and shrubland biome
where freshwater rivers, and salt water mix and intermingle
Estuary
Most rainfall and highest temperatures June, July, and August. With abundant coniferous forests
boreal forest biome
wolf feces (poop) and the Arctic Tundra
Commensalism
Pioneer species
break down rock into soil
Contains the benthic environment
open ocean aphotic zone
Permafrost
Tundra
Hot and wet all year around. Nutrients poor, thin soils
Tropical rain forest biome
climate is caused by:
solar heat/latitude
Fleas living upon a wolf.
Parasitism
Climax community
Ending ecosystem in succesion
The repeated movement of water between Earth's surface and the atmosphere is called
The water cycle
The human population experienced exponential growth after
the industrial revolution began.
When organisms move out of the population they were born in, is known as?
emigration
A water molecule is polar because there is an uneven distribution of electrons between the oxygen and?
Hydrogen atoms
The number of organisms that an environment can support over a relatively long period of time is called?
carry capacity
What is happening in a population as it decreases?
The death rate becomes higher than the birthrate.
Which of the following describes how fast the human population is growing?
exponentially
Under ideal conditions with unlimited resources, a population will grow?
Exponentially
When organisms move into a given area from another area, what is taking place?
Immigration
Which factor might NOT contribute to an exponential growth rate in a given population?
reduced resources
Only 10 percent of the energy stored in an organism can be passed on to the next tropic level. Of the remaining energy, some is used for the organsim's life processes and the rest is
Eliminated as heat
Water lilies do not grow in desert sand because water availability to these plants in a desert is
a limiting factor
A controlled experiment allows the scientist to isolate and test
a single variable
Lipids are important parts of biological membranes and waterproof coverings? True or false?
true
Which of the following is a density-dependent factor? Immigration,emigration,earthquake, disease
Disease
If immigration and emigration numbers remain equal, which is the most important contributing factor to a slowed growth rate?
decrease birthrate
A biotic or an abiotic resource in the environment that limits the size of a population is a
limiting factor
If an entire wolf population dies, the moose population on which it preys will grow to the enironment's
carrying capacity
How many cntimeters are there in 2.4 km?
240,000
The process by which organisms keep their internal conditions relatively stable is called?
Homostasis
Brachi-
Arm
Dis-
ill or bad
cephalo-
head
Costa-
rib
-fer
bearer
Epi-
upon
decid-
to cut off.
ecto-
outer
archae-
ancient
-emia
blood
-ectomy
removal
aqua-
water
endo-
inner
carn-
flesh
-dont
tooth
A snake that eats a frog that has eaten an insect that fed on a plant is a
third-level consumer
The movement of individuals out of an area is emigration? true or false
true
When individuals in a population reproduce at a constant rate, it is called?
exponential growth
Emigration can cause a population to ___ in size?
decrease
Which are two ways a population can decrease in size?
decreased birthrate and emigration
Amino acid is to protein as
simple sugar is to starch
water is the greatest solute in the world? true or false
false
Organisms that break down organic matter and return it to the environment are called?
decomposers
plant-eating animals such as cows are called?
Herbivores
Primary succession can begin after?
A lava flow
A lake that is protected from receiving the runoff from a cultivated field is more likely to remain a healthy ecosystem? true or false
true
The elements or compounds produced by a chemical reaction are known as?
products
a monosaccharide is a?
carbohydrate
Enzymes affect the reactions in living cells by changing the
speed of the reaction
the variable that is deliberately changed is called the responding variable? true or false?
false
a covalent bond is formed as the result of
sharing an electron pair
what type of bond is formed when an atom loses electrons?
positive
what does not require sunlight to live?
chemosynthetic bacteria
which of the following descriptions about the organization of an ecosystem is correct?
species make up populations, which make up communities
In which way are green plants in a sunny mountain meadow and sulfur bacteria in a deep-sea volcanic vent alike?
They both produce carbohydrates and oxygen
The lowest level of environmental complexity that includes living and nonliving factors is the?
Ecosystem
A like that is protected from receiving the runoff from a cultivated feild is more likely to remain a healthy ecosystem? true or false
false
some autotrophs obtain their energy from hydrogen sulfide to produce carbohydrates? True or false
True
an organism that cannot make its own food is called?
heterotroph
-ase
Enzyme
-algia
pain
mice
consumers
community
all wolves, mice, and caribou in the arctic
chemosynthesis
bottom of the ocean
ad-
toward
archae-
ancient
card-
heart
an-
without
bi-
two
blast-
that will germinate
population
all the wolves in the artic
karyo-
nucleus of a cell
anti
against
tundra-
producers
-blast
will germinate
biotic
living
cephalo
head
oxidase
enzyme
albumin
egg white
adduction
towards the body
arthropod
has joints
aqua-
water
abiotic-
not living
ecosystem
group of communites
archae-
ancient
lipid
triglyceride
rainfall
condensation
chloroplast
green
karyo-
nucleus