Concept explainers
To describe: The way in which foraminiferans and radiolarians are identified and differentiated from one another and the features that two groups in each pair share.
Introduction: Microorganisms and other living organisms are classified as prokaryotes and eukaryotes. Eukaryotes are organisms or cells that possess a nucleus within the membrane. Eukaryotes are mostly placed in eight major clades that started to diversify about 1.5 billion years ago including stramenopile, excavates, rhizarians, ameobozoans,
To explain: The way in which ciliates and dinoflagellates are recognized and differentiated from one another and the features that the two groups in each pair share.
To define: The way in which diatoms and brown algae are recognized and differentiated from one another and the features that the two groups in each pair share.
To define: The way in which plasmodial slime molds and cellular slime molds are recognized and differentiated from one another and the features that the two groups in each pair share.
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Chapter 19 Solutions
PRIN. OF LIFE (LL)-W/ACHIEVE
- What is the opening indicated by the pointer? (leaf x.s.) stomate guard cell lenticel intercellular space none of thesearrow_forwardIdentify the indicated tissue? (stem x.s.) parenchyma collenchyma sclerenchyma ○ xylem ○ phloem none of thesearrow_forwardWhere did this structure originate from? (Salix branch root) epidermis cortex endodermis pericycle vascular cylinderarrow_forward
- Identify the indicated tissue. (Tilia stem x.s.) parenchyma collenchyma sclerenchyma xylem phloem none of thesearrow_forwardIdentify the indicated structure. (Cucurbita stem l.s.) pit lenticel stomate tendril none of thesearrow_forwardIdentify the specific cell? (Zebrina leaf peel) vessel element sieve element companion cell tracheid guard cell subsidiary cell none of thesearrow_forward
- What type of cells flank the opening on either side? (leaf x.s.) vessel elements sieve elements companion cells tracheids guard cells none of thesearrow_forwardWhat specific cell is indicated. (Cucurbita stem I.s.) vessel element sieve element O companion cell tracheid guard cell none of thesearrow_forwardWhat specific cell is indicated? (Aristolochia stem x.s.) vessel element sieve element ○ companion cell O O O O O tracheid O guard cell none of thesearrow_forward
- Identify the tissue. parenchyma collenchyma sclerenchyma ○ xylem O phloem O none of thesearrow_forwardPlease answer q3arrow_forwardRespond to the following in a minimum of 175 words: How might CRISPR-Cas 9 be used in research or, eventually, therapeutically in patients? What are some potential ethical issues associated with using this technology? Do the advantages of using this technology outweigh the disadvantages (or vice versa)? Explain your position.arrow_forward
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