Please help
A ladybug eats 200 J of plant material. Of this, 100 J is eliminated as feces and 75 J are used in cellular respiration. What is the approximate production efficiency of this animal?

A) 2.0%
B) 2.5%
C) 20%
D) 25%

What is thought to have caused the mass extinction at the end of the cretaceous period?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.