Which is an effect of short-term environmental changes? A) adaptation
B) speciation
C) extinction
D) death

In a cladogram' when does a group of organisms branch off

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur