Which is an example of how ecosystems on earth affect each other?
a. saguaro cacti can live in deserts, but not in grasslands
b. worms reproduce in soil in grassland ecosystems
c. deforestation of rain forests harms other ecosystems
d. lions get energy from the primary consumers they hunt

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.

Explain why biological control methods are generally environmentally superior to chemical pest control methods.