The thickness of the annual rings indicate what type of environmental situation was occurring at the time of its development. a thin ring usually indicates a rough period of development. lack of water, forest fires, or a major insect infestation. on the other hand, a thick ring indicates just the opposite

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..