Which of the following is not a characteristic of a tetrad? A. It exists only during meiosis I.

B. It contains two pairs of identical chromatids.

C. It contains a pair of homologous chromosomes.

D. It has only the haploid number of chromosomes.

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

What is the difference between a meteoroid and a meteor?