CUSTOM BIOLOGY CONCEPTS & CONNECTIONS
LATEST Edition
ISBN: 9781323194188
Author: Campbell
Publisher: Pearson Custom Publishing
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Chapter 18, Problem 4TYK
Jon found an organism in a pond, and he thinks it’s a freshwater sponge. His friend Liz thinks it looks more like an aquatic
a. See if it can swim.
b. Figure out whether it is autotrophic or heterotrophic.
c. See if it is a eukaryote or a prokaryote.
d. Look for cell walls under a microscope.
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Students have asked these similar questions
Which statement(s) are correct?
A. All bacteria have cell walls.
B. All fungi have chitin in their cell walls.
C. All algae have cellulose in their cell walls
D. All protozoans have protein in their cell walls
What characteristic of mitochondria and chloroplasts makes themdifferent from other organelles and suggests they were onceindependent organisms?a. They have a specialized function in the cell.b. They are surrounded by a membrane.c. They contain enzymes.d. They have their own DNA and ribosomes.
A vesicle in the cytoplasm is found to contain DNA with nucleotide sequences similar to those found in bacterial DNA. How may have this become present in the cell?
a.Endocytosis
b.Endosymbiosis
c.Autophagy
d.Exocytosis
Chapter 18 Solutions
CUSTOM BIOLOGY CONCEPTS & CONNECTIONS
Ch. 18 - Prob. 1CCCh. 18 - Identify the pattern of embryonic development...Ch. 18 - Bilateral symmetry in animals is best correlated...Ch. 18 - Jon found an organism in a pond, and he thinks its...Ch. 18 - Which of the following groupings includes the...Ch. 18 - Which of the following animal groups does not have...Ch. 18 - Prob. 7TYKCh. 18 - Prob. 8TYKCh. 18 - Prob. 9TYKCh. 18 - Prob. 10TYK
Ch. 18 - The simplest animal group a. annelids b. nematodes...Ch. 18 - Prob. 12TYKCh. 18 - Largest phylum of all a. annelids b. nematodes c....Ch. 18 - Closest relatives of chordates a. annelids b....Ch. 18 - Prob. 15TYKCh. 18 - Prob. 16TYKCh. 18 - Prob. 17TYKCh. 18 - Name two phyla of animals that are radially...Ch. 18 - One of the key characteristics of arthropods is...Ch. 18 - A marine biologist has dredged up an unknown...Ch. 18 - SCIENTIFIC THINKING In one of the experiments...
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- The first forms of life on Earth were thought to be_____. a. single-celled plants b. prokaryotes c. insects d. large animals such as dinosaursarrow_forwardCan you answer all the parts of the question about this picture A:What is this structure? B:This structure belongs to an organism from which order?arrow_forwardWhich statement about red algae and green algae is correct? A. Red algae and green algae are both fungi B. Red algae is a type of fungus and green algae is a type of plant C. Red algae and green algae are both protists D. Red algae is a type of protist and green algae is a type of plantarrow_forward
- What is the function of a cell wall?Single choice. A. to protect and support the cell B. to perform different functions in each cell C. to prevent water from passing through itarrow_forwardA scientist is studying a cell that has a membrane-bound nucleus and a cell wall but lacks chloroplasts. Which kind of cell is the scientist studying?arrow_forwardYou are using a computer program to design a new single-celled organism. Discuss why a flat, plate-like cell will be more efficient in transporting materials than a spherical, ball-like cell of the same volume.arrow_forward
- Which observation proves that a cell is a eukaryote? A) It contains DNA B) It contains ribosomes C) It has a cell membrane D) It has DNA inside a nucleusarrow_forwardThe endosymbiotic theory explains the:a. origin of the first prokaryotic cells.b. origins of mitochondria and chloroplasts in eukaryotes.c. evolutionary relationship between animals, plants, and fungi.d. method of reproduction in protists.arrow_forwardWho observed little structures in a piece of cork and called them "cells"? a. Robert Hooke b. Anton van Leeuwenhoek c. Matthias Schleiden d. Theodor Schwannarrow_forward
- Which statement describes all prokaryotic and eukaryotic cells? A. Ribosomes are present in the cytoplasm. B. Materials are stored in vacuoles. C. Chloroplasts are used for photosynthesis. D. Cell walls provide support and shapearrow_forwardChloroplasts of green algae evolved from_____ . a. cyanobacteria b. archaea c. red algaearrow_forwardA group of students observe a sample of water under a microscope. The students see a single celled organism digesting another cell. The single celled organism contains a nucleus in other organelles. In which kingdom would this organism most likely be classified? A. Animalia B. Fungi C. Plantae D. Protistaarrow_forward
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