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Science 7 SP (REAL) Living and Nonliving Things: Finals Practice

Home Get App Take Quiz Create What do plant cells have that animal cells do not? A) chromosomes and DNA B) nuclei and membrane-bound organelles C) cell membranes and mitochondria D) chloroplasts and cell walls D) chloroplasts and cell walls Fungi are organisms that A) break down dead matter and absorb useful elements from it B) are classified in the plant kingdom C) require light to grow D) are unicellular A) break down dead matter and absorb useful elements from it Non vascular plants do not have A) leaves B) chlorophyll C) transportation tubes D) roots C) transportation tubes An organ that is not part of the digestive system is the A) stomach B) kidney C) small intestine D) liver B) kidney A chemical from a gland that affects other body parts is A) a hormone B) saliva C) stomach acid D) cytoplasm A) a hormone Hereditary information is passed from one generation to the next by A) chromosomes B) traits C) cytoplasm D) Punnett squares A) chromosomes A section of DNA that contains the blueprint for a single trait is A) an organelle B) a molecule C) a chromosomes D) a gene D) a gene Humans have 46 chromosomes. How many of a child's chromosomes come from its mother? A) 32 B) 12 C) 23 D) 46 C) 23 The two processes that produce variations in living things are A) sexual reproduction and mutation B) mutation and changes in the environment C) sexual and asexual reproduction D) asexual reproduction and changes in the environment A) sexual reproduction and mutation A species becomes extinct when A) all the natural enemies of the species have died B) changes in the environment force organisms to move to a new location C) all members of the species have died D) predators kill all members of a species in a given area C) all members of the species have died After a very cold, dry winter, which wolves are most likely to survive and have offspring? A) those with dark fur B) those with white fur C) those with thin fur D) those with thick fur D) those with thick fur The fossil record shows that A) Earth's climate has been the same for millions of years B) many species of organisms that once lived are now extinct C) dinosaurs died out because they could not protect themselves from humans D) all types of organisms that have ever lived are still alive today B) many species of organisms that once lived are now extinct One example of variation and natural selection taking place today is A) strains of bacteria becoming resistant to antibiotics B) corn plants producing better-quality corn C) organisms such as sheep being cloned D) animals becoming extinct because of loss of habitat A) strains of bacteria becoming resistant to antibiotics Which of these is a type of sexual reproduction in plants? A) grafting one plant onto another B) growing a new plant from a cutting C) growing a new plant from runners D) growing a new plant from a seed D) growing a new plant from a seed In sexual reproduction each new individual develops from A) spores B) buds C) a sperm cell D) a fertilized egg D) a fertilized egg In the pupa stage of a moth's life cycle, the organism A) lives inside a cocoon changing its shape B) eats leaves and grows C) flies and drinks nectar D) lays eggs A) lives inside a cocoon changing its shape After mitosis, each daughter cell has ___________ of chromosomes as the parent cell. A) 1/2 the number B) 1/4 the number C) twice the number D) the same number D) the same number After meiosis, each new cell has _________ of chromosomes as the parent cell. A) the same number B) 1/4 the number C) twice the number D) 1/2 the number D) 1/2 the number Meiosis in a male results in the formation of A) brain cells B) liver cells C) sperm cells D) egg cells C) sperm cells Fungi can best be classified as A) decomposers B) secondary consumers C) producers D) photosynthetic organisms A) decomposers What role do plants play in an ecosystem? A) primary consumers B) producers C) secondary consumers D) decomposers B) producers endotherm warm-blooded animal Nutrients the body needs for the growth and repair of cells are A) proteins B) fats C) vitamins D) carbohydrates D) carbohydrates A person who takes in 2,800 calories a day and uses 2,300 calories a day will most likely A) lose weight B) gain weight C) lose muscle mass D) grow taller B) gain weight Which of the following is not harmful to the development of an unborn child ruing pregnancy? A) cocaine B) pizza C) tobacco D) alcohol B) pizza The breaking down of food by an organism is called A) excretion B) digestion C) respiration D) circulation B) digestion - respiration is digestion at a cellular level In an energy pyramid, energy flows A) from top to bottom B) from left to right C) from bottom to top D) from right to left C) from bottom to top Most of the energy in an energy pyramid is found at the A) top level B) second level below the top C) bottom level D) first level below the top C) bottom level In the process of photosynthesis, plants use A) carbon dioxide and oxygen to make protein B) water and carbon dioxide to make sugar and oxygen C) water and sugar to make protein D) water and oxygen to make sugar and carbon dioxide B) water and carbon dioxide to make sugar and oxygen The chemical in green plants that allows them to carry out photosynthesis is A) oxygen B) sodium chloride C) chlorophyll D) glucose C) chlorophyll An ecosystem is A) all the animals living in a particular environment B) animals interacting with plants C) all the living and nonliving things that interact in an area D) a community of living things C) all the living and nonliving things that interact in an area In parasitism two organisms live together and A) both organisms benefit B) one organism benefits while the other is unaffected C) neither organism benefits D) one organism benefits while the other is harmed D) one organism benefits while the other is harmed Which of the following human actions would benefit the surrounding ecosystem? A) draining wetlands B) carpooling C) releasing waste water into a river D) urban sprawl B) carpooling Acid rain can do all the following except A) destroy soil B) clean streams C) kill plants and animals in lakes D) eat away statues and buildings B) clean streams Which of these is a renewable resource? A) soil B) wood C) oil D) aluminum B) wood Particulates pollute the environment by sending into the air A) CFCs B) gasoline C) carbon dioxide D) soot D) soot Which activity do plant cells perform that animals cells do not perform? A) respiration B) locomotion C) photosynthesis D) reproduction C) photosynthesis Which cell part is larger in plant cells than in animal cells? A) cytoplasm B) vacuole C) cell membrane D) nucleus B) vacuole What is the substance that surrounds the nucleus of the cell? cytoplasm

Author eatenbread ID 24320 Card Set Science 7 SP (REAL) Living and Nonliving Things: Finals Practice Description Science 7 SP Living and Nonliving Things: Finals Practice Updated 2010-06-21T00:52:23Z Show Answers