What are the loosely packed photosynthetic cells in the leaf called? A. epidermis B. guard cells C. spongy mesophyll D. palisade mesophyll

What happens to jet streams as they get closer to the equator? A:They blow slower B : They do not change C:They dissolve D:They blow faster

Frederick griffith was one of the leading scientists looking at the genetic role of dna. he was working on two strains of streptococcus pneumoniae: the rough strain (r) did not cause pneumonia, but the smooth strain (s) did.

In the ecosystem of the Gazelle, select all of the abiotic factors. Question 2 options: Rocks Soil Grass Trees Air

How do cells work together?

What are some associated with obtaining and using coal

What does hibernation mean

The colonization of land by animals: took place billions of years ago. was made easier by high atmospheric levels of carbon dioxide. preceded the presence of plant species on land.

a biology class is studying the effect of temperature on the amount of growth on duck weed in an aquarium. What type of data will they need to collect and wbu h tools will most likely be used

An example of interespecific competition is a. two male birds competing for the same female b. two male lions competing to lead the same pride c. two species of big cats competing for the same antelope d. all of the above

One function of the glial cells is to: a. provide nutrients to interneurons. b. control heartbeat and breathing. c. control the muscle movements involved in speech. d. mimic the effects of neurotransmitters. e. stimulate the production of hormones.