Which of the following features is not one of the key features that led to the success of the arthropods?

It is essential to infuse opportunities to interact with print into play.

The ranges of the red-legged frog and the yellow-legged frog overlap in California. The red-legged frog (Rana aurora) breeding season lasts from January to March. The closely related yellow-legged frog (Rana boylii) breeds from late March through May. What type of reproductive isolating mechanism is mainly responsible for keeping these two species separate?

Whittaker’s classification included kingdom Monera, which included all prokaryotes. Why is this classification obsolete?

During the course of Darwin’s journey aboard the HMS Beagle he was collecting and recording _____  and ________.

Which of the following protists is incorrectly paired with the disease that it causes?

The prevailing weather conditions in a particular region.

Which of the following is NOT an example of a prezygotic isolating mechanism?

Hypothesis that eukaryotic cells acquired mitochondria and chloroplasts by engulfing a free-living bacterium that developed a symbiotic relationship with a host cell.

Which of the following does NOT describe phylum Ascomycota?