What is a biofilm?
a. A group of bacteria that accumulate in layers and secrete a protective extracellular material
b. A layer of sugars that persist even after bacteria have been killed by antibiotics
b. Free-floating bacteria that move through the blood to other sites
c. A bacterial cell that secretes an extensive network of fibers around its cell wall

A group of bacteria that accumulate in layers and secrete a protective extracellular material. (Option A)

Explanation:

Biofilm is defined as one or more types of microorganisms collectively grow in different places. Organisms that form the biofilm include protests, fungi, and bacteria.

Dental plaque is an example of a biofilm. It is a known buildup of slimy bacteria that forms on the teeth surface. Biofilm can grow on different surfaces such as animal tissues, plant tissues, minerals, metal, etc.

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation:

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).