What are two substances that are useful because of their viscosity?

We produce many more synapses than we need, and then retain only those that are used in a "use it or lose it" fashion. what does this demonstrate?

Mitochondria perform cellular respiration, a process that uses oxygen, generates carbon dioxide, and produces chemical energy for the cell.

The combustion of glucose ultimately involves the transfer of electrons to oxygen (O2). In biological systems, this takes place without a large increase in temperature.

A proposed explanation in evolutionary biology stating that species are generally stable over long periods of time. occasionally there are rapid changes that affect some species which can quickly result in a new species.

There is much interdependence among the biogeochemical cycles on Earth. How is warmer ocean water involved in these cycles? A) Warmer air temperatures mean warmer ocean temperatures.

Many arthropods young do not look like adults and do not eat the same food as adults. how would this be an advantage in an environment where food is scarce

Mammals first appeared during the Cenozoic Era. true or false

Which organism is likely to live on the stump of a dead tree in a cool, moist, shady forest? A) beaver B) cactus C) mushroom D) rabbit

Independent assortment of chromosomes is a result of A) the random and independent way in which each pair of homologous chromosomes lines up at the metaphase plate during meiosis I. B) the random nature of the fertilization of ova by sperm.

A carrier is a person who has