Biology 1 Lessson 1

Front 1

cell

Back 1

cell [sel]
noun
(Biology) . a microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and, in plants, a cell wall; the basic structural unit of all organisms.

Hint 1

* the smallest unit of living things

Front 2

embryo

Back 2

em·bry·o - [em-bree-oh]
noun, plural em·bry·os.
1. the young of a viviparous animal, especially of a mammal, in the early stages of development within the womb, in humans up to the end of the second month.
2. Botany . the rudimentary plant usually contained in the seed.
3. any multicellular animal in a developmental stage preceding birth or hatching.

Hint 2

early stages of development

Front 3

homeostasis

Back 3

ho·me·o·sta·sis [hoh-mee-uh-stey-sis]
noun
he tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function.

Hint 3

Maintain a stable internal environment

Front 4

organism

Back 4

or·gan·ism [awr-guh-niz-uhm]
noun
1. a form of life composed of mutually interdependent parts that maintain various vital processes.
2. a form of life considered as an entity; an animal, plant, fungus, protistan, or moneran.

Hint 4

All living things

Front 5

What are the 5 characteristics of living things?

Back 5

1. Need energy to carry out life processes.
2. Are composed of one or more cells.
3. Respond to their environment.
4. Grow and reproduce.
5. Maintain a stable internal environment (homeostasis).

Front 6

What are a few 3 ways organisms can get the energy they require?

Back 6

1. All animals must eat plants or other animals in order to obtain energy and building materials.
2. Plants don’t eat. Instead, they use energy from the sun to make their "food" through the process of photosynthesis.
3. Mushrooms and other fungi obtain energy from other organisms. That’s why you often see fungi growing on a fallen tree; the rotting tree is their source of energy