A cat eats a bird, which ate a caterpillar that chewed on a weed. Which organisms are autotrophs? Which ones are heterotrophs?
What will be an ideal response?
The weed is an autotroph, the cat and bird are heterotrophs.
Biology & Microbiology
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Which type of modified stems are typical of plants that historically have needed to protect themselves from mammalian herbivores?
A) blades B) tubers C) stolons D) thorns E) rhizomes
Biology & Microbiology
When an action potential is initiated, ________ flow ________ the cytoplasm of the axon
a. negative potassium ions / into b. positive sodium ions / into c. negative sodium ions / out of d. positive sodium ions / out of
Biology & Microbiology
Navigation requires both compass sense and map sense. Indicate whether the statement is true or false
Biology & Microbiology
Which of the following is not an organelle that has resulted from endosymbiosis?
a. mitochondrion c. apicoplast b. chloroplast d. endoplasmic reticulum
Biology & Microbiology