Which of the following tissues is dead at maturity?

a. parenchyma.
b. sclerenchyma.
c. collenchyma.
d. epidermis.
e. lignin


B

Biology & Microbiology

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Four of the five answers listed below follow a type III survivorship curve. Select the exception

a. insects b. snails c. fish d. humans e. marine invertebrates

Biology & Microbiology

The expression "pull of the recent" refers to the fact that ________

A) younger fossils are more important for the study of evolution than older fossils B) older rocks are more likely to be volcanic rocks with no fossils C) younger rocks are more likely to be covered up or otherwise inaccessible D) the quality of the fossil record gets worse the farther back in time you look E) younger fossils are more likely to be preserved by permineralization

Biology & Microbiology

The problem with defining abnormal behavior is that ____

a. too many disorders have similar phenotypes b. some behaviors are not abnormal, but simply variants c. biological factors related to abnormal behavior are not known d. mental illness is multifactorial, and therefore, cannot be defined e. twin concordance studies mental illness is due mostly to environmental components

Biology & Microbiology

The most common causative agent of bacterial pneumonia is Streptococcus pneumoniae

Indicate whether the statement is true or false

Biology & Microbiology