Sea urchins - Study guides, Class notes & Summaries

Marine Biology Exam 1 (Ch 1 - 5, 10) Study Guide 100% Pass What is Marine Biology? The study of organisms that live in the sea. What are the similarities and differences between Marine Biology and Oceanography? Similarities: geology, chemistry, physics, meteorology, zoology, botany. Differences: Marine - study org. That inhabit sea. Oceanographers - study physical. (non-living) aspects of sea. Tides currents waves chemical makeup of sea water. Name and describe at least 6 reasons for studying ...

What are the main groups in the phylum Echinodermata? - Class Asteroidea - Sea Stars. Class Echinoidea - Sea Urchins, Heart Urchin, and Sand Dollars. Class Crinodidea - Sea Lillies. Class Holothuroidea - Sea Cucumber. How would you know which the oral or aboral surface was on an echinoderm? - The oral surface has the mouth. The aboral surface has the anus. What is pentaradial symmetry? - Five pointed symmetry. Pentaradial symmetry ('penta-' means five) follows a pattern where the parts...

Amniotes have - Four limbs Fused pelvic girdle ears no gills Amphibians have - Absence of scales shelled egg Angiosperms - flowering plants Annelids are - segmented worms Arthropods are - First land animals Arthropods are characterized by - segmented body (insects, arachnids, crustaceans) Australopiths age - 4-2 mya Bilatera - most animals belong to this class. bilaterians have: - symmetric form digestive tract one way digestive system birds have - wings with keratin featherslack...

Limited phlebotomy technician(LPT) - ANSWER-Authorized to do skin puncture through fingers Certified Phlebotomy Technician (CPT 1) - ANSWER-allowed to collect blood through fingers and veins(venipuncture) Certified Phlebotomy Technician (CPT 2) - ANSWER-allowed to collect blood from fingers veins and arteries phlebotomy continued education - ANSWER-renew every 2 years by taking 6 education units certification - ANSWER-issuance by an official body or professional organization of a cer...

In the Background section, it is noted that inhibition of protein synthesis blocks cell division in sea urchins. This observation implies that: - new proteins must be made for cell division to occur. Why did the researchers choose sea urchin embryos to study cell division? - Sea urchin embryo cells divide rapidly by mitosis. In the gel, the amount of protein can be determined by: - the intensity of the band. In the gel, proteins migrate different distances based on: - their size and charge....

Praxis 2 (5435) Questions and Answers Already Passed A person heterozygous for the recessive gene for cystic fibrosis marries a person who does not carry or have the trait (homozygous dominant). What is the probability that the couple's first child will be a carrier? (A) 0.0 (B) 0.25 (C) 0.50 (D) 1.0 The correct answer is (C). One parent will have the genotype CC and the other parent will have the genotype Cc. The possible genotypes of the offspring are, therefore, CC, CC, Cc, and ...

WSU Biology 106 Exam 3 >> Questions and Answers Updated | 2024 Spongocoel the large central cavity of sponges. water enters the spongocoel through tiny pores called ostia and it exits through the large opening called the osculum. spongocoel is lined with choanocytes which help to create a current in the water. Spicule structural elements found in most sponges. They provide structural support and deter predators. Large ones are called megascleres while microscopic ones...

SOES1006 Self Assessment Exam Questions And Answers 100% Correct Give a brief definition of a rocky reef hard substrate habitats usually found along continental shelves in temperate or sub-tropical regions typically structurally complex What is the difference between a kelp bed and a kelp forest Both are highly productive macroalgae habitats attached to rocky reefs kelp forests consist of canopy forming kelp that reach the sea surface Kelp beds are formed of shorter kelp that do not re...

SOES1006 Self Assessment Exam Questions And Answers 100% Correct Give a brief definition of a rocky reef hard substrate habitats usually found along continental shelves in temperate or sub-tropical regions typically structurally complex What is the difference between a kelp bed and a kelp forest Both are highly productive macroalgae habitats attached to rocky reefs kelp forests consist of canopy forming kelp that reach the sea surface Kelp beds are formed of shorter kelp that do not re...

Certified Phlebotomy Technician (CPT 1) - ANSWER-allowed to collect blood through fingers and veins(venipuncture) Certified Phlebotomy Technician (CPT 2) - ANSWER-allowed to collect blood from fingers veins and arteries phlebotomy continued education - ANSWER-renew every 2 years by taking 6 education units certification - ANSWER-issuance by an official body or professional organization of a certificate and credentials to one who has met the education and experience standards of that org...