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181 Lactation is the final phase of the reproductive cycle of mammals.

182 Professor Owen has subsequently extended the same generalization to the mammals of the Old World.

183 Any of various carnivorous catlike mammals of the family Viverridae of Africa and Asia, having anal scent glands that secrete a fluid with a musky odor.

184 Thus, the formation of papillae is an important first step in development of the gustatory system in mammals...

185 Mammals arose from a fairly primitive reptile in the Mesozoic era.

186 The highly vascular fetal membrane that consists of the fused chorion and allantois, found adjacent to the eggshell in reptiles and birds and constituting the placenta in most mammals.

187 Most mammals are diphyodonts.

188 A new study describes evidence of a hepadnavirus (a virus group that includes hepatitis B, which infects humans as well as other mammals and ducks) hiding in the genomes of modern songbirds.

189 In contrast to a vast majority of mammals, including other hyena species, female spotted hyenas are substantially more aggressive than males, and they are also socially dominant over males.

190 Heterogametic sex The sex with dissimilar sex chromosomes, one (in mammals the Y chromosome)being shorter than the other(the X chromosome).

191 Those interviewed spoke of a change in the range of species of mammals (moose and beaver) as well as a decrease in the number of some bird species (ptarmigan).

192 The answer is the cacomistle, according to a surprising new study indicating that lower elevations and lower latitudes seem to speed up microevolution in mammals.

192 Wish you can benefit from our online sentence dictionary and make progress every day!

193 For example the genes PHF7 and PAK3 are found in mammals, but in the zebra finch, these genes have been duplicated and many variants are present in the finch's brain.

194 Any of various mammals of the family Leporidae, especially of the genus Lepus, similar to rabbits but having longer ears and legs and giving birth to active, furred young.

195 And Audubon acknowledged that mammals were not his area of expertise when he enlisted a specialist in mammals, John Bachman, a naturalist and minister, as a collaborator on the book.

196 Reptiles, amphibians, diving birds, and diving and burrowing mammals may have a prolonged time to loss of consciousness with inhalant gases.

197 Beginning. This genus is considered a chordate , and the phylum Chordata includes fish, mammals and man.

198 In regard to animals, Diphyodont evolved into Reptilia, which evolved into mammals.

199 Another problem with plastic bags is they do not biodegrade in landfills and pose a danger to many marine mammals.

200 Women- one kind of low level mammals, they are dinginess , ugly and useless!

201 The main groups of vertebrates are: fishes, amphibians, reptiles, birds and mammals.

202 Mammals stimulating the lateral hypothalamus seem to be caught in a loop, Panksepp writes, "where each stimulation evoked a reinvigorated search strategy" (and Panksepp wasn't referring to Bing).

203 Dinosaurs rose up as rulers of Earth around 230 million years ago, eventually dominating all other species and relegating mammals to the shadows.

204 A platypus (duckbill) is an amazing animal. Its genes come from birds, mammals and reptiles.

205 Wallabies are marsupial mammals like kangaroos and eat diets high in vegetation.

206 Only two kinds of egg-laying mammals are left on the planet today—the duck-billed platypus and the echidna, or spiny anteater.

207 The findings indicate that laminar and columnar properties of the neocortex are not unique to mammals, and may in fact have evolved from cells and circuits in much more ancient vertebrates.

208 Any of several principally arboreal carnivorous mammals of the genus Martes, related to the weasel, mainly inhabiting northern forests, and having a slender body, bushy tail, and soft fur.

209 Because the Cenozoic saw the expansion of warm-blooded creatures like ourselves, it is ALSO termed the age of mammals.

210 A bony process projecting from the scapula toward the sternum in mammals.