★ Must-know
Further detail
Examples of organelles include:
Cells vary in shape and size and contain different combinations and numbers of organelles.
Examples of specialized cells are:
Epithelial tissue covers body surfaces, including the skin and the inside of the intestines.
Muscle tissue contracts and relaxes to move different parts of the body.
Glandular tissue makes and secretes chemicals such as enzymes and hormones.
Similar cells work together to form tissue, such as epithelial cells forming epithelial tissue.
1. A cell contains a subcellular structure that performs a specific role. What is this structure called?
2. Several organelles with different roles are present together inside one structure. What do they form?
3. A set of similar cells works together to perform one particular function. Which level of organization does this describe?
What is an organelle?
A cell part with a specific role.
What is a tissue?
A group of similar cells working together to carry out a particular function.
Which structures are examples of organelles?
The nucleus, ribosomes, and mitochondria.
Which body surfaces does epithelial tissue cover?
The skin and the inside of the intestines.
What is an organ?
A group of different tissues working together to perform a particular function.
Which tissues does the stomach combine?
Epithelial, muscular, and glandular tissues.
It covers the core concepts of Levels of Biological Organisation, organized by topic with the key definitions, explanations and takeaways, so it's easier to learn and remember.
Read the full study guide →The practice quiz has 8 multiple-choice questions, each with an explanation. Use it to check what you know and find your gaps.
Take the quiz (8 questions) →There are 8 flashcards on Levels of Biological Organisation, with a question on the front and the answer on the back. Try to recall each answer before you flip, and let spaced repetition bring back the ones you miss.
See all 8 flashcards →Upload a PDF or paste your notes. Revizly writes a study guide, a practice quiz and flashcards in about a minute.