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Which mammals drink the milk of another species for the majority of their lives on a daily/weekly basis?
Milk is produced in mammary glands found in the mammals. It is produced by many mammals including humans, goats, buffalo, camels, cows, and so on.
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- In the list of animals given below, hen is the odd one out.Human being, cow, dog, henThe reason for this is: (a) it undergoes internal fertilisation. (b) it is oviparous. (c) it is viviparous. (d) it undergoes external fertilisation.Aquatic animals in which fertilisation occurs in water are said to be: (a) viviparous without fertilisation. (b) oviparous with external fertilisation. (c) viviparous with internal fertilisation. (d) oviparous with internal fertilisation.How is fecundation done in insects (external or internal)? Is there copulation between insects?
- Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?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 Human
- 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 behaviourMate guarding is an evolved response to sperm competition. Chimpanzee (Pan troglodytes) females regularly mate with several males in the same estrous cycle, whereas gorilla (Gorilla gorilla) females almost never do, since they typically live in bands, each controlled by a single, powerful male. How large (as a proportion of body size) should the testes of chimpanzee males be relative to gorilla testes (Harcourt et al. 1981)? If the testes of men are more similar to those of chimpanzees, what would this tell us about the intensity of sperm competition during our evolutionary past? If, on the other hand, human testes resemble those of gorillas, what conclusion is justified? Please don't write from any online source.How do the two kinds of mammalian reproductive cycles— estrous and menstrual differ?
- Could the number of egg or young ones produced by an oviparous and viviparous mother be equal why?Female mammals undergo continuous reproductive cycles during their reproductive life. In the sense of offspring production, what is the benefit of these continuous cycles?Why do mammalian eggs have a small concentration of yolk, while bird and reptile eggs have a large concentration of yolk?
