Evolution CellsGeneticsEcologyDiversity

Question: Endosymbiosis explains the evolution of ___ and ____ from ___ Check Your Answer Daily double for 2

Answer: chloroplasts and mitochondria from prokaryotes (bacteria) Back to the Game Board Daily double for 2

Question: The scientist who proposed that acquired traits could be passed on to offspring was _________ Check Your Answer Evolution for 2

Answer: Lamarck Back to the Game Board Evolution for 2

Question: Bird wings and insect wings are examples of __________ structures. Check Your Answer Evolution for 3

Answer: analogous (same function, different structure) Back to the Game Board Evolution for 3

Question: Name 4 components of natural selection. Check Your Answer Evolution for 4

Answer: 1) genetic variation 2) Overproduction of offspring 3) competition among members of species; those best adapted produce most offspring 4) over time, traits of best suited increase in population Back to the Game Board Evolution for 4

Question: Name the 3 types of natural selection, and draw the graph for each. Check Your Answer Evolution for 5

Answer: Directional, stabilizing, and Disruptive. Back to the Game Board Evolution for 5

Question: What occurs when a carrier molecule in the plasma membrane transports a substance across the membrane by diffusion? Check Your Answer Cells for 1

Answer: Facilitated diffusion Back to the Game Board Cells for 1

Question: (a) What are the organelles in the cytoplasm where proteins are assembled? (b) Which cells have these? (c) Do these organelles have membranes? Check Your Answer Cells for 2

Answer: (a) Ribosome (b) All cells have ribosomes (c) No membranes around ribosomes Back to the Game Board Cells for 2

Question: The organelle that transforms energy stored in food molecules into ATP is the ______________. Which cells have these? Check Your Answer Cells for 3

Answer: Mitochondria are found in eukaryotes. All cells except bacteria have mitochondria Back to the Game Board Cells for 3

Question: (a) The cell walls of plants are composed of ______. (b) What type of organic molecule is it? (c) Which cells have peptidoglycan? Check Your Answer Cells for 4

Answer: Cellulose, carbohydrate (polysaccharide) Peptidoglycan in bacteria, not archaebacteria Back to the Game Board Cells for 4

Question: Active transport of materials through a membrane against a concentration gradient requires _________ and a ________ _________. Check Your Answer Cells for 5

Answer: Energy (ATP) and a carrier protein, or transport protein. Back to the Game Board Cells for 5

Question: DNA can be transferred from one organism to another by means of a _______ Check Your Answer Genetics for 1

Answer: plasmid or vector Back to the Game Board Genetics for 1

Question: The outward appearance of an organism is known as its __________. Check Your Answer Genetics for 2

Answer: phenotype Back to the Game Board Genetics for 2

Question: Name the 3 types of RNA, and the function of each. Check Your Answer Daily Double for 6

Answer: transfer RNA (brings amino acids to ribosome) ribosomal RNA (makes up ribosome) and messenger RNA (makes copy of DNA and is translated into amino acids) Back to the Game Board Daily Double for 6

Question: The failure of homologous chromosomes to separate properly during meiosis; results in gametes with too few or too many chromosomes. Check Your Answer Genetics for 4

Answer: Nondisjunction Back to the Game Board Genetics for 4

Question: What are the components of a nucleotide? How many different nucleotides exist? (in all nucleic acids) Check Your Answer Genetics for 5

Answer: sugar, nitrogen base, phosphate group. 8 nucleotides exist: 4 for DNA and 4 for RNA (sugar is different in DNA vs RNA) Back to the Game Board Genetics for 5

Question: What is a population? Check Your Answer Ecology for 1

Answer: A group of organisms of one species that interbreed and live in the same place at the same time. Back to the Game Board Ecology for 1

Question: Name an abiotic factor in an ecosystem. Name a density dependent factor in an ecosystem. Check Your Answer Ecology for 2

Answer: temperature, light, water, climate, wind are abiotic. Density dependent are food, water, shelter Back to the Game Board Ecology for 2

Question: A permanent, close association between two or more organisms of different species is called ____________. What are the types? Check Your Answer Daily Double for 6

Answer: symbiosis a)mutualism (E.coli in intestine) b)commensalism (a clownfish and sea anemone) c)parasitism (tapeworm in intestine) Back to the Game Board Daily Double for 6

Question: Orderly, natural changes and species replacements that take place in ecosystem communities over time are called ________. What are the types? Give an example of each. Check Your Answer Ecology for 4

Answer: Succession a)primary: lichens start growing on rock exposed after an avalanche b)secondary: grasses grow in a region after a major forest fire Back to the Game Board Ecology for 4

Question: Name 7 terrestrial biomes. Which is ours? Check Your Answer Ecology for 5

Answer: Tundra, taiga, desert, tropical rain forest, temperate deciduous forest, grassland, savanna. Back to the Game Board Ecology for 5

Question: Name the domains of living things. Check Your Answer Daily Double for 2

Answer: Domains are Archaea, Bacteria, Eukarya Back to the Game Board Daily Double for 2

Question: What is the name of the organism that causes malaria, its kingdom, and the vector? Check Your Answer Diversity for 2

Answer: Plasmodium, kingdom is Protista, vector is mosquito Back to the Game Board Diversity for 2

Question: Name all female and male parts of a flower. Check Your Answer Diversity for 3

Answer: Female = Pistil (stigma, style, ovary) Male = stamen (anther, filament) Back to the Game Board Diversity for 3

Question: Describe 2 similarities and 2 differences between protists and fungi. Check Your Answer Diversity for 4

Answer: both can be uni or multicellular, can be heterotrophic, can cause disease or decompose, used as food Only protists can be autotrophic, only fungi contain chitin in cell wall, protists can exhibit more motility Back to the Game Board Diversity for 4

Question: Name the 4 major groups of plants, and key characteristics of each. Check Your Answer Diversity for 5

Answer: Mosses (non-vascular, seedless, small) Ferns (vascular, seedless) Gymnosperms (cones, vascular, seeds) Angiosperms (flower, fruits, vasc, seeds) Back to the Game Board Diversity for 5