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37 Cards in this Set
- Front
- Back
Seed embryos are nourished by a triploid tissue called
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Endosperm
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Sperm transport tube found in a the carpel
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Pollen-tube
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Multicellular organ that consists of nodes and internodes
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Stem
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Transport pathway which is a continuum of cytosol connected plasmodesmata
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Symplast
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Group of actively or potentially interacting individuals of a single species
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Population
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Factors outside the organisms which include light, day length, temperature, pH, moisture, etc are classified as
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Abiotic
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The result when two or more species (or individuals) are using the same limited resources
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Competition
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Water sap is conducted through
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Tracheids and vessel elements
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Responsible for generating and maintaining the resting membrane potential of neurons
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Na+/K+ ATPases
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Root elongation occurs as cells increase their length by up to 10x in the
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Elongation zone
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The relationship between two organisms in which one benefits and the other is harmed is termed
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Parasitism
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An example of a secondary consumer would be
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Human and Fox
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During the repolarization phase of an action potential, ___ions rush ___ of the cell through specific ion channels
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K+; out
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This part of the vertebrate brain is primarily responsible for maintaining day/night (circadian) rhythm
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Epithalamus/pineal gland
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This network of interconnected groups of neurons scattered throughout the brain stem serves to excite the cerebrum and promote a state of wakefulness, it is called
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The reticular activating system
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Higher thought is a product of which part of the brain
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Cerebral cortex
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Guttation is a consequence of
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Root pressure
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Water-water bonding aids transpirational pull this is called
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Cohesion
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Ultimately, ths sink for water from a plant is mediated by the _____which allow water to exit the plant
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Stomata
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The most abundant neuroglia cell in the brain supports neuronal metabolism and may even modulate neuronal signaling, it is called an
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Astrocyte
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A human being decides to eat a salad of greens. At what trophic level is the person eating
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Primary
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The black cottonwood extends from Alaska through Oregon, but it is confined to flood plains. The black cottonwood has a narrow
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Range
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If a voltage-gated K+ ion channel were activated (opened), what would be the effect on the plasma membrane
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Repolarization/hyperpolarization
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The greatest number of organisms would be expected to exist at which trophic level
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Primary producers
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Regarding population growth, in the Logistic Growth Model, as the number of individuals in a population, N, approaches the carrying capacity, K, the rate of growth
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Slows down as N approaches K
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Ultimately, all solutes that enter the xylem are "filtered" through a plasma cell membrane by virute of the
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Casparian strip
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Bill length in the Rock Nuthatch varies among poplulations found in Greece, Iran, and China. This is an example of
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Character displacement
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A common cause of "overshoot" of the carrying capacity is
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Predator removal
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In the plants, co-transport of solutes is mediated by
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Hydrogen ions
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Which of the following characteristics does not describe monocots
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Vascular bundles in stem arranged in circular pattern
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Which of the following place limits on habitat
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Local climate, suitable soil, suitable vegetation, competition with other species
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A group of individuals of the same species with the potential to interact is a
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Population
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High plant and animal diversity is characteristic of this terrestrial equatorial biome
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Tropical rain forest
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Poison arrow dart frogs are brightly colored as a warning to would be predators. The frogs will lose their toxin if maintained in captivity however. This is because
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They obtain their toxin from their diet of exotic fungi
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Heat is transferred from warmer equatorial regions to cooler regions by virtue of
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Wind and Ocean currents
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An example of an abiotic factor is
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Wind, light, magnetic forces, and gravity
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Two species cannot co-exist indefinetly when utilizing the same limited resources. This is termed
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Competitive exclusion
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