- it (used for animals)
- The exchange exemplifies a perfect mutualism.
- They are simple-minded and easily outwitted but in large groups can overwhelm the unwary.
- After living at sea between one and four years they return to their natal streams to spawn and die.
- A number of these changes represented adaptations to grazing in siberia's periglacial conditions.
- He was a two-toed tree toad but a three-toed toad was she.
- A close relative of the giraffe the okapi has a shorter neck.
- I could crack walnuts with him.
- Many organisms that spend their adult life stuck on the bottom of the seafloor start out as zooplankton in their larval stage.
- You own a little yappy dog and carry it around with you.
- Male rats and mice with chemically induced folate deficiency have impaired spermatogenesis and are infertile.
- One huge problem with finding such animals is that they did not have hard skeletons that would mineralize and become fossils.
- The antarctic forests are a land which time forgot where allosaurs still prowl the forests and ancient amphibians still hunt along the river banks.
- Some workers reasoned that these features evolved to permit predation on insects others proposed that they enabled the procurement of fruit from the tips of tree branches and still others envisioned these traits as adaptations to a mode of locomotion combining grasping and leaping.
- The sheep were pollarded to prevent them from ramming the workers.
- Indeed their piscine form led herman melville in1851to describe moby dick and his fellow whales as fishes.