What is the purpose of muscle tissue?

Environmental differences within ecosystems are generally caused by

Aplant with dark red flowers is crossed with a plant with white flowers. all of the offspring have dark red flowers with white spots. the alleles got flower color in this plant are both dominant both recessive codominant incompletely dominant

Question 17 (1 point) where does penicillin come from? a. it is a chemical that man invented b. it is a fungus c. it is a toxin made by other bacteria d. it was discovered in archaebacteria