Which of the following is most likely to be an observation made by an anatomist?

a.) rna polymerase binds to a promoter, a dna sequence that becomes a gene.
b.) sensory receptors convert information into impulses to be sent to the cns
c.) the heart's epicardium forms a protective outer covering and secretes serous fluid.
d.) the middle ear is an air-filled space that separates the outer and inner ear.

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

The body of water found at number 4 on the map above is the

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen