Indicate whether the following statements are true or false. ____ All animals have a nervous system. ____ All animals sense and respond to the environment. ____ It is necessary to have a nervous system to sense and respond to the environment
What will be an ideal response?
f All animals have a nervous system.
t All animals sense and respond to the environment.
f It is necessary to have a nervous system to sense and respond to the environment.
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If food-borne disease transmission does not require growth of the microorganism after ingestion because the toxic substances are already present in the food as a result of previous growth, then it is referred to as a food-borne ________.
Fill in the blank(s) with the appropriate word(s).
Arabidopsis thaliana is a small angiosperm related to mustard that is commonly used in plant research experiments. In one experiment, an antifreeze protein from a species of bacteria was inserted into the genome of Arabidopsis thaliana, and the plants were exposed to freezing temperatures. Plants without the antifreeze protein had 90% mortality, while those with the antifreeze protein only had 20% mortality. What was the dependent variable in this experiment?
A. the bacteria B. the temperature C. Arabidopsis thaliana D. the percent of the plants surviving E. the presence or absence of the antifreeze proteins
The double-layered membrane that covers the lungs is the ____
a. periosteum b. pericardial membrane c. peritoneal membrane d. pleural membrane e. intercostal membrane
Ebola virus can be transmitted via
A) fruit fallen from a tree. B) direct contact with bodily fluids of an infected person. C) agriculture/crops in an epidemic area. D) any contact, like a handshake.