The first groups of land plants to evolve were liverworts, mosses, and hornworts. these plants were small and grew close to the ground because they relied on water being able to move on its own through the plant bodies. the next groups of land plants to evolve were ferns, which could grow bigger and taller because they could transport water and food.

what trait most likely evolved in ferns that was not present in the earlier groups?

cuticles
seed shells
vascular tissues

photosynthesis

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping