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Can you answer this question regarding fish
- What benefit does parental care for eggs provide? What are the consequences?
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- Why some animals provide parental care while some other like clams(molluscs),barnacles(crustaceans),many fish do not provide any parental care?Why is long-term parental care not associated with having many offspring during a reproductive episode?What is kangaroo mother care and what are its benefits?
- Describe a two-year cycle in the life of an adult female gray whale by answering the specific questions below. Where do they mate and give birth? How often do they give birth? Where do they spend the non-breeding season? (Note this is also where they eat because they don’t typically feed during migration or on their breeding waters.) When do they migrate south along the Oregon Coast? When do they migrate north along the Oregon CoastHow do different types of energy investment by females contribute to the reproductive success of a frog, a chicken, and human? Drag the appropriate items to their respective bins. Reset Help embryos have gelatinous coat and lack internal membranes internal fertilization external fertilization embryos have internal membrane invest energy to the protection of their embryos by strong shells invest energy to the gamete production invest energy to the protection of their embryos by internal development Frog Chicken Human34 You have a pet fish. You have been tapping on the glass wall of its tank everymorning to say hello and then you feed your fish and watch him swim to the surfaceto eat. One evening you tap on the glass wall to say goodnight to your fish. Younotice that your fish comes to the surface of the water.Explain what type of behaviour this is and how this behaviour aids the survival of thisanimal.Answer in a sentence format.
- what are the advantages and disadvantages of high levels of parental care in sharks?Why should we have equal reproduction of male fish and female fish in the ocean? What are the advantages and disadvantages?In sharks hormones regulate which of the following functions? Digestion Growth Stress responses Lactation The lymphatic system Smell Defecation Osmoregulation Reproduction Color change and bioluminescence Leckking behaviour
- What is the food needed by dogs? How do they obtain their food? How do they perform reproduction? How does development takes place in dogs?What is Bateman's principle? Bateman's principle Lots of sperm Feweggs Sperm must compete over eggs Vria iepaduivesc ie mudigae in males tan in female The vane isame ete emity of sa elecion Males must compete overfemales Lots of sperm Feweggs A Terrnitoral males direct more courtship dispiays towards females that have shown up on their teritory for the first time compared to long term females companions. Males must maimce the number of mates Preferencefor "new females A single bird eggmay constitute 15-20% of female's body mass Lots of sperm Few eggs Females must maimize reproductive success per egg CS Scanned with CamScannerwhere do sea turtles get there energy
