Phylum echinodermata - Study guides, Class notes & Summaries
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MTTC Integrated Science (Secondary) Questions Answers 2023
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MTTC Integrated Science (Secondary) Questions Answers 2023 
Graticule slide 
marked with grid line, useful for counting or estimating a quantity 
 
 
 
Preparing acid solutions 
Always add acid to 2/3 water, then add rest of water 
 
 
 
# of Animal species 
over 1 million species and about 30 divisions 
 
 
 
# of insects 
800,000 species, half of animal kingdom 
 
 
 
Characteristics of animal kingdom 
muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, c...
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BIO 104 Deuterostomes exam questions with verified answers
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BIO 104 Deuterostomes exam questions with verified answers 
Phylum Echinodermata -Correct Answer-Sea stars 
 
Which phylum is exclusively marine? -Correct Answer-Phylum Echinodermata 
 
Pentaradial symmetry -Correct Answer-5 planes of symmetry 
 
Origin of Echinoderms -Correct Answer-remains unclear 
 
Echinoderm larvae have what kind of symmetry -Correct Answer-Bilateral 
 
Echinoderm aduts have what kind of symmetry -Correct Answer-Pentaradial 
--nervous system is nerve ring with branches -no ...
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DAT BOOSTER TEST V (BIOLOGY) EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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DAT BOOSTER TEST V (BIOLOGY) EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS 
 
The way substances and waste in the kidney are removed from the blood is by... - Precise Answer Filtration 
 
Segmentation is a characteristic of which three phyla? - Precise Answer Arthropoda 
Chordata (Vertebrates) 
Annelida (ex: leech) 
 
Important examples of organisms in Phylum Echinodermata - Precise Answer Starfish 
Brittle stars 
Sand dollars 
Sea lilies 
Sea urchins 
Sea cucumbers 
Sea daisies 
 
Important chara...
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BIO 202 Arizona State University -BIO 202 Exam 3 questions with correct answers
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BIO 202 Arizona State University -BIO 202 Exam 3 questions with correct answersWhich of the following is NOT a mechanical defense of plants? 
secondary metabolites 
 
 
What phylum does the organism in the image below belong to? [Earthworm] 
Annelida 
 
 
 
What phylum does the organisms in the image below belong to? [Flatworm] 
Platyhelminthes 
 
 
Which of the following is an advantage for a plant to undergo asexual reproduction? 
reach maturity faster 
 
 
What kind of leaf is in the image be...
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BIO 202 Exam 3 questions n answers graded A+
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BIO 202 Exam 3 questions n answers graded A+ 
Which of the following is NOT a mechanical defense of plants? 
secondary metabolites 
 
 
What phylum does the organism in the image below belong to? [Earthworm] 
Annelida 
 
 
 
What phylum does the organisms in the image below belong to? [Flatworm] 
Platyhelminthes 
 
 
Which of the following is an advantage for a plant to undergo asexual reproduction? 
reach maturity faster 
 
 
What kind of leaf is in the image below? [What does a simple leaf loo...
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BIO 182 Exam 4 NAU Questions And Answers With Verified Solutions
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Be familiar with the common characteristics of animals. - - Multicellular heterotrophs 
- cells lack cell walls 
-most have nerves, muscles, and capacity to move at some point in the life cycle 
- able to reproduce sexually 
- specialized sensory structures and nervous system 
- cells exist in extensive extracellular matrix 
- unique cell junctions 
What type of life cycle do all animals show? - gametic 
What is the most likely ancestor of animals? - choanoflagellates 
What are the 3 major featu...
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BIOS 1705 Quiz 1 (Labs 1-4) Questions And Answers Graded A+
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3 domains of the tree of life - Bacteria, Archaea, Eukarya 
4 kingdoms of eukarya - Protista, Plantae, Fungi, Animalia 
arm - use to safely carry the microscope 
coarse adjustment knob - use to focus at low power ONLY 
competative inhibition - when molecules similar to a substrate compete for placement on the 
active site of an enzyme, Vmax is still possible is substrate concentration is high enough 
Condenser - concentrates the light on the specimen 
control treatment - a treatment in which you...
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BIOS 1705: Lab Quiz 1 with Verified Solutions
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BIOS 1705: Lab Quiz 1 with Verified 
 
Solutions 
 
- **What part of the microscope moves the slide around the stage?** 
- Stage adjustment knobs 
 
- **Which lens is closest to the eye when using a microscope?** 
- Ocular 
 
- **What knob should you use to focus at low power only?** 
- Coarse adjustment knob 
 
- **What does the condenser do in a microscope?** 
- Concentrates the light on the specimen 
 
- **If you have a high power objective lens with a magnification of 40x, what would be the ...
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BIO 182 Exam 4 NAU QUESTIONS & ANSWERS RATED 100% CORRECT!!
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1. Phylum Porifera - Answer-- sponges 
- loosely organized and lack tissues 
- multicellular with several types of cells 
- 8,000 species, mostly marine 
- no apparent symmetry 
- adults sessile, larvae free-swimming 
- water drawn through pores into spongocoel 
- flows out through osculum 
- choanocytes line spongocoel 
- mesohyl between choanocytes and epithelial cells 
- reproduce sexually and asexually 
10. Phylum Nematoda - Answer-- roundwomrs 
- in nearly all habitats 
- over 20,000 specie...
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Bio 102 Already Passed Exam Questions and CORRECT Answers
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deuterostomes echinoderms and chordates are ______ 
deuterostomia echinoderms and chordates constitute the clade _____ 
echinoderms (phylum Echinodermata) include sea stars and sea urchins, sea 
cucumbers, and sand dollars, with about 7000 species, all of them marine 
chordates (phylum Chordata) include the vertebrates 
deuterostomes share developmental characteristics 
-radial cleavage 
-formation of the anus from the blastopore 
however, some other animals also share these developmental chara...
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