Death Last Flashcards

Terms Definitions
Cones detect:
color
Lipases break down:
fats
Which scientist proposed that mitochondria and chloroplasts started out as prokaryotes?
Margulis
The first great antibiotic was:
penicillin
hypotonic
solution with lower solute concentration
Which scientist developed the Theory of Uniformitarianism?
Hutton
Given enough time, all water eventually returns to the:
oceans
___ are microscopic organisms that float in the water.
plankton
a large-scale category containing many communities of a similar nature
biome
The shortest-duration units of the geologic time scale are:
epochs
Vascular plants have ___, specialized cells that help support the plant, as well as transport water and nutrients upward from their roots.
xylem
Antibodies are produced in response to:
antigens
Transmission of the nerve message within the neuron is electrical in nature.
true
Transmission of the nerve message BETWEEN neurons is electrical in nature.
false
Linnaeus' smallest category in his classificaiton system was the:
species
Bacterial root infections by Rhizobium should be cured immediately.
false
Presumed animal fossils first appeared during the:
Vendian
Which of the following activities removes carbon dioxide from the atmosphere?
photosynthesis
Scientists are concerned that an increased amount of carbon dioxide in the atmosphere is causing global:
warming
The human growth curve is ___-shaped.
J
When prey populations are reduced, some predators may switch to an alternate food source.
true
facilitated diffusion
process where transport proteins provide a pathway for certain molecules to pass through the membrane
Plant fiber is which type of cell?
sclerenchyma
Principle of Superposition was an important early contribution to the field of geology. It was written by:
Nicholas Steno
____________ is the amount of time needed for one half of the initial number of nuclei of a particular isotope to decay into stable daughter nuclei.
half-life
The case of a plant having nitrogen-fixing bacteria in its roots is an example of:
mutualism
Which of the following population growth curves would be expected when a limiting factor is present?
S-shaped curve
Fossils played no role in developing the geological time scale.
false
Monocots and dicots are both members of which plant group?
angiosperms
The Phanerozoic Eon has been divided into three eras. Which of the following is NOT one of those three eras?
Cretaceous
the biological role played by a species in its environment
niche
The first plant hormone to be discovered was a type of:
auxin
Thin-walled extensions of the root epidermis that increase the surface area for absorption are called:
root hairs
An embryonic shoot in an arrested state of development is a:
bud
Which type of muscle is controlled voluntarily?
skeletal
_____ is an overabundance of nutrients that leads to excessive plant growth and reduction of oxygen in an ecosystem.
eutrophication
The small, raised features on the surface of the tongue are called:
papillae
The biosphere is divided into eight large biogeographical units known as:
biomes
Transmission of a nerve message WITHIN a neuron is __________ in nature.
electrical
The set of all populations inhabiting a certain area is called a(n):
community
Which of the following types of organisms has a three-chambered heart?
amphibian
A negative feedback loop works by turning off the stimulus that initiated the feedback loop.
true
The ___ are thin-walled blood vessels that exchange materials through their walls.
capillaries
Which of these plant hormones is associated with the spoilage of a bushel of apples?
ethylene
Fungi growing in association with the root that greatly increase the surface area for absorption are called:
mycorrhizae
The study of how organisms interact with their environment and with other organisms is called:
Ecology
Which of the following organs functions to absorb water and salts and store non-digestible material?
large intestine
osmosis
the diffusion of water through a membrane
Which of these blood cell types plays a role in the immune response?
lymphocytes
Plant fiber is a type of collenchyma cell.
false
Which of these is NOT a recognized class of plant hormone?
florigens
If nothing is done to control the level of greenhouse gases in the atmosphere, global temperature is expected to:
rise
An organism's position within a food web is known as its:
trophic level
Which is NOT part of the urinary system?
pancreas
The rigid, outer layer of Earth is referred to as the asthenosphere.
false
The population size that can be maintained over the long term is called the:
carrying capacity
A hardening of the arteries is known as:
atherosclerosis
___ is a scientific discipline that develops practical approaches to prevent extinction of species and destruction of ecosystems.
Conservation Biology
Which of these plant groups may include the ancestors of plants?
green algae
An animal with a(n) _________ has its muscles attached to the inner surface of its skeleton.
exoskeleton
___ happens when organisms vie for the same resources such as food, living space or mates.
Competition
The main function of the excretory system is to rid the body of:
metabolic wastes
Which of these is a non-seed vascular plant?
fern
equilibrium
point out which the # of diffusing molecules moving in one directionis equal to the # moving in the opposite direction
___ is the phase in a woman's life during which the ovarian and uterine cycles cease.
menopause
Algal blooms can occur in a body of water with excess amounts of:
phosphates
Which of the following is NOT an endocrine gland?
sweat gland
Xylem is a type of plant cell that moves material from the roots to the leaves.
true
Animals are motile because they have:
nerve and muscle fibers
In a typical community, one or a few species tend to be much more abundant than the rest.
true
Which of the following is NOT a function of bones?
toxin removal
Movement of sugar and water occurs in the ___ of the phloem.
sieve cells
A chemical produced in one part of a multicellular organism that will have effects elsewhere within that creature is a(n):
hormone
active transport
when a cell expends energy to move molecules and ions across a membrane
the smallest population size that can avoid extinction
minimum viable population (MVP)
Which of the following is NOT a type of connective tissue?
epithelial tissue
The phosphorus cycle differs from the nitrogen, carbon, and water cycles because phosphorus:
does not enter the atmosphere
Which of the following describes organisms in a pelagic zone?
plankton floating near the ocean surface
Which of the following statements is NOT true of protists?
Protists can be prokaryotes or eukaryotes.
Which of these is NOT a function of the integumentary system?
transport of heat within the body
Which of the following is a thermal inversion?
cool air is trapped at the surface, where pollutants can accumulate
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