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Animal Biology

Dichotomous Key, taxonomic category to which a specific organism belongs

Please see attached document. --- In the animal kingdom, you can place animals in categories based on certain differences in the characteristics that each possesses. If you know what critical traits to look for, it is possible to separate any animal into its proper taxonomic category. Use this dichotomous key to help deter

Dichotomous Key, taxonomic category to which a specific organism belongs

(See attached file for full problem description) --- In the animal kingdom, you can place animals in categories based on certain differences in the characteristics that each possesses. If you know what critical traits to look for, it is possible to separate any animal into its proper taxonomic category. Use this dichotomous

Dichotomous key/taxonomic category

In the animal kingdom, you can place animals in categories based on certain differences in the characteristics that each possesses. If you know what critical traits to look for, it is possible to separate any animal into its proper taxonomic category. Use this dichotomous key to help determine the taxonomic category to which a s

Compare and contrast 4 organisms

Compare how 4 different organisms(use plant, bacteria, invertebrate and vertebrate) 1. Obtain food and derive energy from it 2. Protect themselves from injury (e.g., immune system, defenses, and integument...) 3. Provide internal transportation (e.g., open or closed circulatory system, number of heart chambers) 4. Prov

Activation of a Mechanoreceptor

Describe the full "loop" from activation of a mechanoreceptor in the arm to the voluntary movement of the arm as a consequence (i.e. explain how somatosensory and motor information are conveyed within the nervous system). Please give a complete but succinct summary or explanation. Please explain. Thank you.

General Biology

How many vertebrae does a frog have? A. 9 B. 12 C. 15 D. 21 How many chambers does a frog's heart have? A. 3 B. 4 C. 5 D. 6 How long does the larval stage of an amphibian last? A. several weeks to 1 year B. 24 hours C. exactly 21 days D. 9 months How many toes are on the front feet of a frog? A. 2 B. 3 C

Animal Biology

1. How long can Hagfish go without eating? A. 1 month B. 3 months C. 5 months D. 7 months 2. How is Hagfish sex influenced by the seasons? A. They have sex in the spring only B. They change sexes with the seasons C. Seasons have no effect D. None of the above 3. Do Hagfish skeletons contain bone? A. Yes

General Biology

Mammals alone a. have hair and mammary glands b. have a four-chambered heart c. have the ability to regulate body temperature d. exhibit parental care of the young Genetic and immunological evidence show that the greatest differences occur between human populations native to ______ and all other human populations. a.

General Biology

The platypus and the spiny anteater are examples of which mammalian group? a. marsupials b. monotremes c. placentals d. hominids Almost all invertebrate chordates are a. predators b. parasites c. filter feeders d. scavengers Which of the following is not a characte

General Biology Questions

Birds descended form (#33) ____ that ran around on two legs some 160 million years ago. All birds have (#34) ______ that insulate and help get the bird aloft. Generally, birds have a greatly enlarged (#35) ____ to which flight muscles are attached. Bird bones contain (#36) ____ _____, and air flows through sacs, not into and o

General Biology Questions

Fill In the Blank: Use the below terms to complete the following paragraph. Four major features distinguish the embryos of chordates from those of all other animals: a hollow dorsal (#4) _______ _________, a(n) (#5) __________ with slits in its wall, a(n) (#6) _________, and a tail that extends past the anus at least during

Animal Biology Questions

There are three major classes of Cephalopods. Which of the following is a Cephalopod? a. Squid b. Conch c. Clam d. Snail Which type of Cnidarian body plan is less motile? a. larvae b. worm c. Polyp d. medusa What moves the Gastric Mill? A. wings B. tendons C. ligaments D. muscles What are th

General Biology

All of the following adaptations have contributed to the success of the insects EXCEPT a. specialized sensory organs b. wings c. small body size d. aquatic habitat A water-vascular system is characteristic of the a. arthropods b. annelids c. chordates d. echinoderms Which of the following is not a member of the ph

General Biology

The organs of excretion in flatworms are a. nephridia. b. contractile vacuoles. c. Malpighian tubules d. protonephridia. Animals that are hermaphroditic usually a. fertilize their own eggs. b. cross-fertilize. c. donate eggs to other individuals d. all of these A scolex is a. the anterior attachment organ of a t

General Biology

Matching. Choose the most appropriate answer for each. 1a. ___ placozoa 1b. ___ annelids 1c. ___ arthropods 1d. ___ chordates 1e. ___ cnidarians 1f. ___ echinoderms 1g. ___ flatworms 1h. ___ rotifers 1i. ___mollusks 1j. ___ roundworms 1k. ___ sponges A. Trichoplax B. Vertebrates C. Planarians, flukes, tapeworms

Biology Study Guide

Hi, I have created a study guide for my biology final exam coming up. Please choose which is the correct answer for each question. Thank you. 1. Natural selection is the process by which a) the age of selected fossils is calculated. b) organisms with traits well-suited to their environment survive and reproduce more. c)

NMDA receptors

Would you expect ALL mammalian neurons to have functional NMDA receptors? Please explain your answers. I am looking for any feedback you can provide. I am happy to receive any feedback you may offer on this topic. Thanks much!

Intracellularly recording from pyramidal cells in a mouse

I am recording intracellularly from the neocortex of a mouse. If I place my electrode on one set of pyramidal neurons (Layer 2) and add fenfluramine (a serotonin uptake blocker), whithin 5 minutes the neurons produce GREATER amount of action potentials. But when I place fenfluramine while recording from another set of pyramida

Analyzing a sample of wild canary song

The main purpose of analyzing a sample of wild canary song is to become familiar with song dialect pattern of geographic variation, identify dialect boundaries objectively, and gather some evidence of whetheror not dialect memberslikely have intimate social interactions.i have already got and analyzed rolls of sonograms of songs

Hormone Use in the Cattle Industry

The USDA has been following hormone use in the cattle industry since the 1950s. The hormone is given to the cattle in pouches inserted into the ear. The hormone enters the bloodstream of the animal very slowly, and according to the USDA the hormones never enter the human food chain. According to the USDA the use of growth ho

Classiifcation

What is the the pureraris thunbergian (VINE) KUDZU of I am requesting the classification schme of KUDZU: KINGDOM, Phylum, Class, Order, Family, Genus, and Species

Qs about bones

1. Think about an arthropod such as an ant, and a vertebrate such as a lizard. what functions do the skeletons of there animals have in common? do they have a common structure? Explain. 2. Why do you think that spongry bone has an outer layer od compact bone? 3. Think about the possibible movements of your lower arms

Benefits to Higher Animals

I'm trying to figure out, of what benefit are a closed circulatory system, closed digestive system, an excretory system, and a nervous system, to higher animals?

Nitrogen excretion rate and oxygen consumption and temperature

In a lab we looked at the effects of different temperatures on the rate of oxygen consumption and nitrogen excretion in the goldfish. we found that oxygen consumption and nitrogen excretion both increased as the temperature increased. What are some reasons for these increses in oxygen consumption and nitrugen excretion with in