The membrane surrounding the cell * A. nuclear envelope
B. plasma membrane
C. ribosome
D. endoplasmic reticulum

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Nucleic acid certain protein cell membranes certain carbohydrates

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis