BICS is the language of academics and takes about two years to gain proficiency.

With closer supervision of children’s out-of-school activities, children of today do not have the opportunities to engage in the fun and excitement of rough-and-tumble that children of the past had.

In cladistics, ________ is(are) the primary criterion used to classify organisms.

This scientist developed the field of paleontology

Angiosperms are referred to as ________ when the male and female reproductive parts are on different individuals of the same species.

Mammals appeared and diversified in the Precambrian era.

Which of these statements is NOT correct about flatworms? 

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?