Karteikarten
AcDec Science Section I Part 2
Karten in diesem Stapel (72)
- 1Organic matter _________ slowly in the cold, ________ _____ on the forest floorDecomposes ; Building Up
- 2Fires during summer droughts can burn through the forest floor for _______ or ________Months ; Years
- 3Conifers that can withstand winter freezes grow in the _______ _______Boreal Forest
- 4Tundras above ____ latitude no longer feature trees65°
- 5The topsoil ________ in winter and _______ in summerFreezes ; Thaws
- 6A permanently frozen layer of soil called ___________ chills the topsoil, limiting plant and microbe growthPermafrost
- 7 Simple short vegetation including _______, ______, _______, and _______ grow hereSedges ; Grasses ; Forbs ; Shrubs
- 8Tundras occur in the ______ and the ________ _________Arctic ; Antarctic Peninsula
- 9 The order of biomes from the equator to higher latitudes isTropical Forests
Hot Deserts
Deciduous Forests
Boreal Forests
Tundra - 10The ______ of a species marks the areas where it is foundRange
- 11The dispersal of _________ within that range depends on ________ ________Individual ; Resource Availability
- 12The set of optimal conditions for a niche species in its environment determined by natural selection describes a species ________ ________Ecological Niche
- 13The fixed geological area where an organism can most easily grow and reproduce describes an organisms __________ __________Fundamental Niche
- 14The actual range of individuals within its fundamental niche describes an organisms _______ ______Realized Niche
- 15_________ _________ drives the evolution of populations over timeNatural Selection
- 16Natural Selection ensures the transmission of traits _________ for the organism’s ________ to future generationsFavorable ;
- 17Over time, a species will _______ more and more from its ancestors as it _______ to its environmentDiffer ; Environment
- 18An organism's ___________ involve responses to the ___________ of a particular environmentAdaptations ; Challenges
- 19 Evolution involves changes in an organism’s ________ _________Genetic Information
- 20 Genetic information is stored as _______________ ______, also know as _____Deoxyribonucleic Acid ; DNA
- 21 DNA stores instructions for the creation of ________ by the bodyProteins
- 22 Every gene has _____ ____ _____ that code for different forms of a protein2 or More
- 23 Each form of a specific gene is called an alleleAllele
- 24In _________ __________, the offspring receives one set of alleles from the mother and one set from the fatherSexual Reproduction
- 25 The specific combination of alleles in an organism comprises its _________Genotype
- 26Alleles code physical features called the phenotypePhenotype
- 27_______ __________ in a population will shift as alleles that produce useful adaptations are passed onAllelic Frequencies
- 28Charles Darwin described the causes of natural selection in his book : ____ _______ ___ ________The Origin of Species
- 29________ variations must exist among the individuals of the speciesHeritable
- 30Genetic variations affect the _______ and reproduction rates of the individualsSurvival ; Reproduction
- 31________ ________ involve a population’s interactions with each otherPopulation Dynamics
- 32Population Dynamics determine the population ______ and ___________Size ; Abundance
- 33Population size measures the ________ of organisms Population abundance measures the _________ of individualsAmount ; Density
- 34________ ________, ________ ________, and ___________ ___________ all alter population sizeResource Availability ; Organism Movement ;
- 35A patchy, disconnected habitat limits population ________Dispersal
- 36_________ whales might travel ____ ________ kilometers to reach their breeding groundsMigratory ; Ten Thousand
- 37Only one mammal, the _____ ____, has been able to disperse to HawaiiHoary Bat
- 38________ ________ determines the type of population distributionResource Availability
- 39Natural populations with patchy habitats typically form _______ ____________ in a metapopulationClumped Distributions ; Metapopulation
- 40Occasional _________ and _________ occur between the subpopulations of a metapopulationMigrations ; Interactions
- 41_____ and _____ _____ control population size and abundance in the subpopulationsBirth, Death ; Rates
- 42The metapopulation’s size depends on the balance between ___________ __________ and the ___________ of new patches of habitatSubpopulation Extinctions ; Colonization
- 43The proportions of each age group in a population forms its _____ _________Age Structure
- 44_________ birth and survival rates at each age level creates stable growthConstant
- 45Carefully altering _______ _______ at each age level can manage population sizeSurvival Rates
- 46A population with many young individuals will ______, while a population with many old individuals will likely ______Grow ; Decline
- 47Kenya, Nigeria, and Saudi Arabia are countries experiencing ______ growthRapid
- 48The United States, Australia, and Canada are countries experiencing ______ growthSlow
- 49Denmark, Austria, and Italy are countries experiencing ______ growthZero
- 50Germany, Hungary, and Bulgaria are countries experiencing ________ growthNegative
- 51Population growth follows _________ patternsPredictable
- 52Populations that reproduce in fixed intervals, such as annual plants, grow ____________Geometrically
- 53Populations, such as India's at the moment, that reproduce constantly, grow ____________Exponentially
- 54The _______ most populated nation, India had over _________ people in 2014Second ; 1.25 Billion
- 55More than half of the population of India is under ____ years old25
- 56India has a high annual population growth rate of ______ percent1.41
- 57By ______, India will be the world’s most populated country2028
- 58As the population grows to the maximum number of individuals the environment can support, population growth rates decrease in _________ _______Logistic Growth
- 59The maximum number of individuals an environment can support is called the _______ ________Carrying Capacity
- 60Carrying capacity depends on ________ ________Resource Availability
- 61Many factors limit population _____ and prevent _______ growthSize ; Unlimited
- 62Density independent factors limit population growth regardless of _____Size
- 63Extreme conditions like hurricanes, fires, and floods are examples of ________ ________ ________Density Independent Factors
- 64_________ _________ factors impact the growth rate in proportion to the size of the populationDensity Dependent
- 65Competition, crowding, disease, and stress have more impact in _______ ___________ sizesHigher Population
- 66Density dependent factors tend to promote _______ at low population sizesGrowth
- 67Density dependent factors limit growth when the population size nears the _________ _________Carrying Capacity
- 68__________ interactions occur between members of the same speciesIntraspecific
- 69_________ _________ cause competition and stress, which are density dependent factorsResource Limitations
- 70Animals develop _______ and _______, while plant _______ and _______ production decreasesDiseases, Parasites ; Growth, Seed
- 71__________ interactions occur between individuals of different speciesInterspecific
- 72Resource limitations decrease the ________ ______ of all individuals in the species, potentially leading to ________Survival Rate ; Extinction
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- This is part 2 of section 1 for science
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- stegover
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