Explore BrainMass

Explore BrainMass

    Animal Biology

    BrainMass Solutions Available for Instant Download

    Excretory system in grasshopper, bacteria, fish and bear

    Select one of the basic physiological processes from the following list: Acquire & process nutrients Get rid of waste Reproduction Obtain information about & respond to external environment Movement Post a 200 to 300 word response explaining how that physiological process DIFFERS among ALL the following organism

    A hypothesis about migratory songbirds is posed.

    Many migratory songbirds, such as warblers, are declining. Evidence suggests that some of these birds might be victims of pesticides. Most of the pesticides implicated in songbird mortality have not been used in the United States since the 1970s. I suggest a hypothesis to explain the current decline in songbird numbers. I also d

    Biology Questions

    1.What organ is characteristic of mollusks? 2. What is the chief advantage that the eye of a dragonfly has over the eye of a hawk? 3. Although amphibians were the first animals to move onto dry land, they were still dependent on water for reproduction and lor respiration. What evolutionary adaptations allowed reptiles to bec

    Gaseous exchange in earthworm & polychaetes

    1. How is gas exchange accomplished by earthworms? 2. What is the function of the nephridia of the molluscs? 4. How does gas exchange take place in marine polychaetes? 5. How does the body organization of crustaceans differ from the body organization of flightless insects? 6. Name and list four characteristics of arthrop

    Biology Questions

    1. Cite six ways in which fungi are (a) beneficial to humans, and (b) harmful to humans. 2. A lichen is a symbiotic relationship that most often involves which two organisms? 3. Karyogamy in the basidiomycetes results in the production of what? 4. Fungi are non-motile. How are they dispersed to new areas? 5. What fungai

    Symbiotic Relationship

    Symbiotic Relationships. See attached file for full problem description. Symbiotic Relationship Handout Laboratory 33 1. What is symbiosis? 2. Describe these types of symbiotic relationships. A. mutualism B. commensalism C. parasitism 3. Complete the follow

    Circulatory System

    In order for an insect to grow as large as an elephant, which changes or modification would need to be made in the circulatory systems of insects? a) the heart would need to have multiple chambers b) the circulating body fluid would need to be contained in closed vessels c) the heart would need to have multiple ostia

    Taxonomic Classification

    Animals are placed in taxonomic classifications based on differences and similarities of their traits. If you know what critical traits to look for, it is possible to separate any animal into a taxonomic category. Download the document. (See attached file) The document contains a table with images. The images are examples


    Laboratory 25- The Chordates 1. Describe characteristics for deuterostomes. 2. List phyla with deuterostomes. 3. List the subphyla of chordates and give an example of each. 4. Describe the general characteristics of echinoderms. 5. List and describe the four chordate characteristics. Structure Function notochord dors

    Chordata on Phylogenetic Tree

    Can you show me a good website that illustrates where cordata fits on the phylogenetic tree for a poster I am doing on Chordata?

    Different Groups of Amniotes

    I am studying Amniota and I was wondering if someone could explain to me the following concepts. I know that the features of Chordata are the notochord, dorsal nerve cords, gill clefts (except for Tunicata); segmented muscles and a post-anal tail. I know that developmentally we are related to echinoderms. Can you explain the

    Q4 need concise answers

    4. An investigator performed cytofluorimetric (FACS) analyses of a mouse strain called C.B20 and a spontaneously arising point mutant that arose in the same strain called "C.B20 scid." Splenocytes from each strain were stained with anti-IgM (green) and anti-CD3 (red), then analyzed. The proportion of cells falling into each phen


    Some people argue that each individual animal has an intrinsic right to survival. Should this right extend to plants and microorganisms? What about the Anopheles mosquito, which transmits malaria? Tigers that sometimes kill people in India? Bacteria that cause typhoid fever? Defend your position. Is it right to use an


    Some people argue that each individual animal has an intrinsic right to survival. Should this right extend to plants and microorganisms? What about the Anopheles mosquito, which transmits malaria? Tigers that sometimes kill people in India? Bacteria that cause typhoid fever? Defend your position. Is it right to use an

    Anti-Predation Animal Behavior

    Discuss the costs and benefits of group life (sociality) with regard to antipreditor, feeding and reproductive behavior.

    Animal Behavior: Subordinate Situations

    Why individuals remain in subordinate situations (for example peripheral males at a lek or lowest tanking individual in a social group lie a wolf pack or lion pride) where they had limited access to important resources. What is the general explanation for remaining?

    Animal Behavior

    1.5 List threee types of evidence we have for genetic influences in the development of behavior and describe a non-human example that illustrates one of these tpes of evidence. 1.9 The evolutiont of flight in birds and the evolution of blood sucking by a moth inthe genus Calpe. Choose one of the above methods and describe how

    Energy expenditure in resource management

    Suppose a tree squirrel living in the conifer forests near La Grande eats seeds that it extracts from pine cones and fungi that it finds on the forest floor. Also, suppose that currently it takes an average of 2 minutes to find a cone and 4 minutes to find a fungus. It takes 10 minutes to break open the cone and eat the seeds an

    Animal Behavior: Remaining in One Place

    One of the decisions that must be made by a searcher or a waiter is how long to remain in one place. On what basis should an individual make such a decision? Individuals are often specialized in their diets in the short term than they are in the long term. What is a search image? How does it facilitate short-term specializati

    Animal Adaptation

    Think about gazelles, zebras, antelopes, and other large hooved animals living in herds on the plans of Africa where there are a variety of species of large mammation predators like cheetahs, lions, leopards, hunting dogs, etc. Visualize that you are a member of one of those prey species. Explain about the antipredator mechanism

    Animal Behavior: Antipredatory Adaption

    The terms below, tell how each function as an antipredatory adaption and give a non-human example. - bastesian mimicry - misdirection - chemical repulsion - surprise - disruptive coloration - removing telltale evidence

    Territory and Home Range, Map Sense and Compass Sense

    3, Below is the movement track made by a bacterium in a culture dish exposed to a heat lamp shining from the side. What kind of response has the bacterium made? 4. Differentiate (don't just define): a. Territory and home range - b. Map sense and compass sense - 5. In my paper on roost site selection by silver-haired bats

    Animal Behavior - Offspring Dispersion

    1. As this male and its mate search their territory for insects to feed their young they wander widely but are able to return straight back to the nest once they have found food. What ability are they using to do so? At the end of the first nesting period, suppose this male and its mate have successfully raised one son and on

    Animal Behavior

    Displace new owner and reclaim territory. See attached file for full problem description.

    Animal Behaviour and Ritualization

    Define ritualization and give one example of the way a behaviour might be changed during this process. See attached file for full problem description.

    Questions about animal behavior and learning

    (1) Choose one of the following terms (imprinting, habituation or latent learning) and tell how this type of learning could be adaptive for a wild organism. (2) The two graphs [see attachment] show the results of testing 4 species of birds in a spatial task and a non-spatial task. Why are Clark's nutcrackers much better than