What basic characteristic distinguishs living things from nonliving things? a) c
ID: 85810 • Letter: W
Question
What basic characteristic distinguishs living things from nonliving things? a) contain atoms b) homeostasis c) take in energy d) both b and c e) all listed Which of the below are Domains: a) Animalia b) Eukarya c) Bacteria d) b and c e) all listed Distinctive human features include: a) manual dexterity b) upright stance c) brain size d) a and c e) all listed Which of the below is the largest in size? a) Molecule b) Organ c) Atom d) Tissue e) Cell The grass in a field would be considered a _____? a) consumer b) decomposer c) eradicating unique species d) producer e) non listed A scientist would pose a ___ first to learn about the natural world? a) experiment b) conclusion c) hypothesis d) predication e) non listed Matching: (For questions #7 through # 11 answer with one of the below terms): a) Cell theory b) Germ theory c) Evolution theory d) Natural selection theory e) Streptomyces Germs cause disease organisms that produce antibiotics Organisms consist of one or more cells Change can occur in lines of descent Variation in heritable traits influences which individuals of a population reproduce Are the basic units of matter: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Has a negative charge: a) Elements b) Atoms c) Electrons d) Protons e) Neutrons Whether an atom will interact with other atoms depends on how many electrons it has. a) True b) False How many electrons are in the second orbital of an atom? a) 2 b) 6 c) 8 d) 4 e) 10 How many Hydrogen atoms does a water molecule have? a) 1 b) 2 c) 3 d) 4 Means water-loving, or chemically attracted to water: a) Hydrophilic b) Hydrophobic c) Honey Boo Boo d) hydrogen bond Which below number is basic? a) 7 b) 8 c) 9 d) 1 e) 1 What is used as energy-storing lipids? a) Triglycerides b) Bile c) Cholesterol d) Sterols What is considered as the most simple sugar? a) Monosaccharide b) Polysaccharide c) Lipid d) SterolExplanation / Answer
Answer 1: b (As explained below)
Living things maintain stable internal environment for cells to function properly.
Answer 2: d (As explained below)
In biology, the tree of life comprises of 3 domains: Archaea, Bacteria and Eukarya.
Answer 3: b (As explained below)
Humans evolved over 6 million years to become bipedal with a curved spine and strong hip, leg and knee support to become a upright walkers and fully bipedal by around 2 million years ago.
Answer 4: b (As explained below)
Atom is the smallest unit of all matter. Molecules are a combination of atoms. Cells are made up of several atoms and are the smallest unit of life. Tissues are an aggregation of cells. Organs are formed from tissues.
Answer 5: d (As explained below)
Entities that make their own food and do not depend on other entities or organisms for their food are called producers. Grass makes its own food by photosynthesis.
Answer 6: c (As explained below)
Before concluding on any phenomenon, scientists need tot prove their basis and in order to do that, they first need to start by layign down a hypothesis, which they can accept or reject by way an experiment.
Answer 7: b (As explained below)
As per germ theory, microorganisms cause disease. Germs include microorganisms.
Answer 8: e (As explained below)
Streptomyces species of bacteria are used for making antibiotics such as chloramphenicol from Streptomyces venezuelae, lincomycin from Streptomyces lincolensis, neomycin from Streptomyces fradiae.
Answer 9: a (As explained below)
Botanist Matthias Schleiden proposed the cell theory which says that all living things are composed of one or more cells.
Answer 10: c (As explained below)
According to evolution theory heritable characters can change over successive generations.
Answer 11: d (As explained below)
According to theory of natural selection, individuals differ phenotypically and variation is heritable. Individuals that are better suited to the environment survive.
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