What are passive alcohol sensors? • A. Devices that can detect alcohol in the air, without asking the driver to do anything.
O B. Devices that can detect alcohol in the air, with the help of the driver.
C. Devices that can detect alcohol in the blood, without asking the driver to do anything.

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition

When was napoleon banopart born?

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.