The body wall of an earthworm contains layers of ____ and ______ muscle tissue
Fill in the blank(s) with the appropriate word(s).
Answer: Circular and longitudinal
You might also like to view...
A graduate student is researching the spread of mosquito vectors and dengue fever into the southern United States. She has collected a substantial amount of data regarding the locations where the vector has been detected as well as the incidence of the dengue fever virus in both the vector population and in humans. What application would enable her to effectively illustrate patterns of vector and disease spread?
A. Geographic Information Systems B. DNA microarrays C. Remote sensing D. DNA fingerprinting
A cell with 22 chromosomes enters meiosis, and by the end of the process has produced ________ cells with ________ chromosomes each
a. 4 / 11 b. 2 / 11 c. 2 / 22 d. 4 / 44
The eyes of the fetus open during the ________ month of pregnancy
a. 4th b. 5th c. 7th d. 6th
Which substances speed up or halt transcription?
a. RNA polymerases b. DNA polymerases c. introns d. regulatory proteins e. exons