Modern nonvascular plants are generally small because they lack leaves

Indicate whether the statement is true or false.


ANS: F, lignified cells

Biology & Microbiology

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True or false: Osmoconformers tend to live in environments with variable solute concentrations

A. true B. false

Biology & Microbiology

If 2 spot (S) is dominant to 4 spot (s), give the genotypes for the parents in the following crosses:

(a) 2 spot × 2 spot yields 2 spot and 4 spot (b) 2 spot × 4 spot yields only 2 spot (c) 2 spot × 4 spot yields 2 spot and 4 spot (d) 2 spot × 2 spot yields only 2 spot (e) 4 spot × 4 spot yields only 4 spot What will be an ideal response?

Biology & Microbiology

Cervical cancer

a. kills about 3,600 U.S. women each year. b. can affect young women. c. death occurs more often in women who have not had a Pap smear. d. can be caused by genital HPV. e. includes all of these

Biology & Microbiology

Define positive feedback and describe why they are not necessarily beneficial to organisms. Include a description of

the changes associated with severe blood loss and circulatory shock to substantiate your answer. What will be an ideal response?

Biology & Microbiology