A) Grasshopper B) Snake C) Frog D) Grass
A) The sun B) Soil nutrients C) Water D) Decomposers
A) Respiration B) Decomposition C) Photosynthesis D) Combustion
A) The amount of sunlight absorbed B) The total mass of living or previously living organisms in a given area or trophic level C) The volume of water in an ecosystem D) The number of organisms only
A) Decomposers to the sun B) The organism being eaten to the organism that eats it C) Predators to prey D) The consumer to the producer
A) Herbivores B) Producers C) Decomposers D) Autotrophs
A) Decomposers B) Primary consumers C) Top carnivores D) Producers
A) Tertiary consumer B) Primary consumers C) Secondary consumer D) Producers
A) Many interconnected feeding relationships B) Only one predator and one prey C) Energy moving upward only D) Only producers
A) Nitrogen fixation B) Combustion C) Evapotranspiration D) Denitrification
A) Rocks, soil, water and living organisms B) Ozone C) The upper atmosphere D) Sunlight
A) Have no leaves B) Grow only in deserts C) Remain underwater D) Lose leaves in autumn
A) Lake B) Taiga C) Estuary D) Tundra
A) Grassland B) Dessert C) Taiga D) Tundra
A) Taiga B) Coral reef C) Dessert D) Wetland
A) Freshwater-ocean B) Terrestrial- estuary C) Freshwater-desert D) Marine-coral reef
A) Runoff B) Percolation C) Transpiration D) Condensation
A) Nitrogen fixation B) Evaporation C) Photosynthesis D) Cellular respiration
A) Producers B) Predators C) Consumers D) Decomposers
A) A deep ocean zone B) A freshwater marsh C) A polar ice sheet D) A dry shrubland with tough-leaved plants
A) Eight B) Four C) Twenty D) Two
A) Terrestrial and aerial B) Freshwater and marine C) Tundra and deserts D) Forest and grassland
A) Marine biome B) Coral reef C) Estuary D) Freshwater biome
A) Tundra B) Estuary C) Grassland D) Taiga
A) Having attached earlobes B) Reading a book C) Playing the piano D) Having a scar from an injury
A) Garden pea plants B) Honeybees C) Fruit flies D) Mice
A) Trait B) Allele C) Genotype D) Locus
A) BB B) None of the choices C) Bb D) bb
A) Watson and crick B) Charles Darwin C) Louis pasteur D) Gregor Mendel
A) To isolate specific DNA fragments. B) To sequence an organism's whole genome. C) To predict the dynamic probability of genotypes and phenotypes in offspring. D) To calculate the exact lifespan of an animal.
A) 2 traits B) 4 traits C) 1 traits D) 8 traits
A) Dominant mutation B) Acquired traits C) Recessive trait D) Inherited traits
A) 25% B) 100% C) 75% D) 0%
A) Variation B) Cloning C) Heredity D) Pure-breeding
A) Genes B) Factors C) Chromosomes D) DNA
A) Traits blend together in the offspring. B) Homologous chromosomes never separate. C) Dominant alleles always mask recessive alleles. D) Alleles for different traits segregate independently during gamete formation.
A) bb B) Bb C) BB D) Bbb
A) Nutrients absorption B) Gas exchange C) Posture and movement D) Hormone balance
A) Nerves B) Muscle C) Hormones D) Enzymes
A) Skin only B) Kidneys C) Lungs or gills D) Heart
A) Thyroid and pituitary B) Kidneys and bladder C) Hearts and lungs D) Skin and nails
A) Absorbing nutrients B) Storing fat C) Sending signals D) Producing enzymes
A) Immunity B) Hormone regulation C) Oxygen transport D) Clothing
A) Photosynthesis B) Absorbing sunlight C) Producing chlorophyll D) Consuming other organisms
A) Circulation B) Digestion C) Hormone regulation D) Protection and sensing
A) Autotrophic organisms B) Multicellular eukaryotes C) Unicellular prokaryotes D) Photosynthetic organisms
A) Infections B) Hormone imbalance C) Bone fractures D) Digestion problems
A) Movement and response B) Photosynthesis C) Circulation D) Reproduction
A) Cell - organs - tissue - organs system - organisms B) Tissues - cells - organs - organs system - organisms C) Cell - tissue - organs - organs system - organisms D) Organs - tissue - cells - organs system - organisms
A) Nervous system B) Muscular system C) Endocrine system D) Skeletal system
A) Cerebellum B) Cerebrum C) Medulla oblongata D) Hypothalamus
A) Blood and blood vessels B) Lungs and trachea C) Muscle and bones D) Kidneys and bladder
A) Digestion B) Excretion C) Hormone balance D) Homeostasis
A) Oxygen B) Blood C) Nutrients D) Hormones
A) Left ventricle B) Right ventricle C) Right atrium D) Left atrium
A) Nutrients B) Oxygen C) Carbon dioxide D) Hormones
A) Muscle B) Nervous C) Connective D) Epithelial
A) Hormone regulation B) Immunity C) Clothing D) Oxygen transport
A) Colloid B) Suspension C) Pure substance D) Solution
A) Suspension B) Pure substance C) Solution D) Mixture
A) Colloid B) Pure substance C) Suspension D) Solution
A) Suspension B) Mixture C) Compound D) Element
A) Mixture B) Compound C) Solution D) Element
A) Homologous mixture B) Pure substance C) Heterogeneous mixture D) Solution
A) Suspension B) Pure substance C) Solution D) Colloid
A) Compound B) Homologous mixture C) Heterogeneous mixture D) Pure substance
A) Filtration B) Distillation C) Evaporation D) Chromatography
A) Compound B) Homologous mixture C) Heterogeneous mixture D) Element
A) Compound B) Homologous mixture C) Element D) Heterogeneous mixture
A) Mixture B) Element C) Pure substance D) Compound
A) Heterogeneous mixture B) Pure substance C) Suspension D) Homologous mixture
A) Filtration B) Distillation C) Evaporation D) Magnet
A) Element B) Compound C) Colloid D) Mixture |