Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 18, Problem 4RQ
Name two advantages of multicellularity for plants and two for animals.
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Please list five fundamental differences between plants and animals.
What is the difference between parts B and C in malia's diagram?
(a) Part B is responsible for giving the cell structure and support and part C allows nutrients and waste to enter and leave the cell
(b)Part B is responsible for for letting nutrients and waste pass through the cell and part C holds all of the organelles in place
(c) both parts B and C are responsible for producing food for the cell
(d) there is no difference between B and C, their combined purposes to hold the cell together
The Amoeba, the paramecium, and the euglena ( These are unicellular Protozoans) produce electrical impulses that travel along their cell membrane. This is possible because they are specialized to use properties exhibited by all cells. These properties include ... A) Separation of the fluid environments inside and outside the cell B) Active transport of Na+ out of and K+ into the cell. C) Portal proteins that allow diffusion of Na+ and K+ back in to the cell D) Maintaining unequal Na+ and K+ concentrations on the two sides of the membrane. E) All of these are true
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Chapter 18 Solutions
Biology
Ch. 18.1 - How Would the experiments result charge if oxygen...Ch. 18.1 - describe a likely scenario for the origin of life?Ch. 18.1 - describe, for each step in the scenario, some...Ch. 18.2 - Uranium-235, with a half-life of 713 million...Ch. 18.2 - Scientists have identified a free living bacterium...Ch. 18.2 - describe scenarios for the major evolutionary...Ch. 18.2 - State the order in which these events occurred,...Ch. 18.3 - describe fossil evidence of the earliest...Ch. 18.3 - describe the advantages that fostered the origin...Ch. 18.3 - Prob. 3CYL
Ch. 18.4 - Prob. 1TCCh. 18.4 - Does the mudskippers ability to walk on land...Ch. 18.4 - Can ancient DNA reveal the secrets of dinosaur...Ch. 18.4 - Although it may never be possible to recover DNA...Ch. 18.4 - describe the transitions and innovations...Ch. 18.4 - describe the advantages gained by the first plants...Ch. 18.5 - Scientists have cloned a number of animal species,...Ch. 18.5 - explain how extinction has affected the course of...Ch. 18.5 - describe the likely causes of mass extinctions in...Ch. 18.6 - We might be able to more easily distinguish...Ch. 18.6 - Paleontologists recently discovered fossil...Ch. 18.6 - describe the evolutionary history of humans and...Ch. 18.6 - name and describe some characteristics of the...Ch. 18.6 - describe the key features of the most recent phase...Ch. 18.6 - The unexpected discovery that humans interbred...Ch. 18 - Almost all of the oxygen gas in todays atmosphere...Ch. 18 - Extinction a. generally does not occur except...Ch. 18 - In the endosymbiotic origin of the mitochondrion,...Ch. 18 - Which of the following does not list evolutionary...Ch. 18 - Prob. 5MCCh. 18 - Because there was no oxygen in the earliest...Ch. 18 - The molecule _________ became a candidate for the...Ch. 18 - Complex cells that contain a nucleus and other...Ch. 18 - The Sperm of early land plants had to reach the...Ch. 18 - Prob. 5FIBCh. 18 - Prob. 6FIBCh. 18 - Prob. 7FIBCh. 18 - What is the evidence that life might have...Ch. 18 - How did the origin of photosynthesis affect...Ch. 18 - Explain the endosymbiont hypothesis for the origin...Ch. 18 - Name two advantages of multicellularity for plants...Ch. 18 - What advantages and disadvantages would...Ch. 18 - Prob. 6RQCh. 18 - Prob. 7RQCh. 18 - Extinctions have occurred throughout the history...Ch. 18 - In biological terms, what do you think was the...
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- Which of the following applies the theory that cells are the basic unit of structure and functioning of an organism? A.) Cells undergo mitotic division B.) The flower produces seedpod C.) The red blood cell lack nuclei to carry more oxygen C.) The bats evolve a wing in ordee to flyarrow_forwarda) Do you think that most plant and animal cells are similar to does we observed today? b) Both atoms and the cells viewed today are small. Describe at least teo ways in which atoms and cells differ? c) What criteria can you use to distinguish between cells of the organisms belonging to different eukaryotic kingdoms (planta, animals , fungi)arrow_forwardWhich of the following is true for both plant and animal cells? a) They both contain a cytoskeleton. b) They both have a cell wall. c) They both contain centrioles for cell division. d) They both contain chlorophyll.arrow_forward
- Plastids are specialized storage organelles found in plants. Which of the mismatched according to the function of the plastid? bilowing is O A) amyloplast: starch O B) chromoplast:carotein C) chromoplast:chlorophyll D) vacuole:anthocyanin O E) chloroplast:chlorophyll 身arrow_forwardAnimal cell organelles import proteins by three distinct mechanisms. For each mechanism, briefly describe: a) Name of the mechanism and organelles can obtain proteins via it. b) Processes of the mechanisms.arrow_forwardWhat is not part of an Animal cell based on the picture?arrow_forward
- 1. Under a microscope, you probably noticed that all of the onions cells were roughly the same shape whereas the squamous cells from your buccal cavity, while roundish, may have been folded or bent. What do you think keeps all of the plant cells the same shape? A) Vaucole B) Cell membrane C) Chloroplasts D) Cell wall 2. When stained with methylene blue (buccal cell) and haemalum acid (onion cell), the nuclei were the only cellular structures that stained. This has to do with the stains being cationic (positively charged). What charge do you think the nuclei are in order to be stained? A) Positive (cationic) B) Negative (anionic) C) Neutral D) Hypotonic 3. FILL IN THE BLACKS USING THE BOLDED BRACKET OPTIONS: Observable physical differences between the three types of simple epithelial tissue are that squamous epithelial cells are _________ (flat, equal, more, less, cube, column, buccal, wider), whereas cuboidal epithelial cells have _____ (flat, equal, more, less, cube, column,…arrow_forwardA sclerocyte is : a) a stem cell b) a cnidarian cell c) a porifera cell d) a polychaeta cellarrow_forwardWhich of the following cell organelle actively participates in animal apoptosis? Question 1 options: a) Vacuoles b) Chloroplast c) Nucleus d) Mitochondriaarrow_forward
- Choanoflagellates have collagen and the same genes coding for cell communication and adhesion that present in multicellular animals with bodies. Which best explains what this reveals regarding the evolution of multicellular bodies in animals? A) All of the genetic machinery and all of the body building materials (or similar precursors) evolved only after the appearance of multicellular bodies. B) The genetic machinery and some of the same body building materials (or similar precursors) are present in single-celled organisms, thus natural selection could use these for the evolution of multicellular bodies. C) That multicellular bodies evolved only once in evolutionary history, and it was within animals because collagen was present, along with the genetic machinery necessary for cell adhesion and communication. D) None of the above.arrow_forwardWhich of the following statements correctly describes a difference between plants and animals? (a) only animals need to take in water to survive (b) plants do not have ways of defending themselves, but most animals do (c) animals have internal structures that help them break down and absorb nutrients (d) plants have structures that allow them to make their own foodarrow_forward1) Which type of animal junction is associated with linking the cytoplasm of cells and exchange of ions nutrients and other small molecules? A)gap junction B)anchoring junction C)tight junction D)plasmodesmata 2) Match the organelle to the function (smooth endoplasmic reticulum, lysosomes, vacuoles, chloroplasts) A) synthesizes lipids and detoxifies drugs and poisons. B)contains hydrolytic enzymes that are used for recycling. C) This is the site of photosynthesis in eukaryotic cells. D) Plants use this organelle to degrade and recycle molecules.arrow_forward
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