Which characteristic do ginkgoes and cycads have in common?

are usually evergreen

lived during the time of dinosaurs

produce football-sized cones

have a shallow root system

Ticks suck blood from a host organism. This is an example of

The prinary agent of contact metamorphism is

Name three different allotropes of carbon and describe their physical properties

Which statement best distinguishes an observation from an inference? An inference is likely to change based on additional observations. An observation is likely to change based on additional inferences.

In order for speciation to occur, organisms can no longer interbreed. This is known as

How has fish adapted to its environment to minimized water resistance?

What happens to the energy absorbed during an endothermic reaction.

Which of the following best describes the solar radiation absorbed by and radiated from earth? a. Most incoming solar energy is absorbed by the atmosphere. b. Only a small fraction of energy radiating from Earth is from the atmosphere. c.

What stages do insects have in their life cycle that mammals like people and dogs do not?

Which of the following codons code for threonine