What makes something alive? Describe the features common to all life?

What makes something alive? Reproduces Grows Develops Uses Energy –food Responds to environment Adapts Made of cells Moves

Reproduction Produce next generation of offspring Individuals Cells Mitosis Meiosis Individuals Asexual – one parent Sexual – two parent

Growth Get bigger Grow larger

Development All the changes that occur as a living thing grows Simple form to complex form Changes size and shape New structures

Use Energy Energy is the ability to do work Energy comes from food Cellular respiration is the process used to breakdown foods and release energy

Use Energy Producers make food Consumers eat or absorb food Plants, bacteria, some protists Consumers eat or absorb food Animals, bacteria, protists, fungi

Respond to Stimuli Stimuli: Something external or internal that cause a response Cold: shiver Hot: sweat Pressure: pleasure/pain Sunlight: plant growth Fear: adrenaline

Adaptations Traits that help an organism survive When the ecosystem changes over time, so do the traits that help the organism survive Help an organism get food, shelter, a mate Territory, swim, fly

Made of Cells Basic unit of all life One celled organism Bacteria, protists Many celled organism Fungi, plants, animals

Movement All life has some type of movement Animals move Plants move Fungi move Bacteria move

Plant Adaptations Thorns Waxy coating (cuticle) on the leaves provides water-proofing Cactus have stems that store water

Colors The pepper moth became darker during the industrial revolution a fine layer of coal dust covered tree trunks where the moth rested during the day the whitish color against the darker background allow birds to more readily find the moth The pepper moth survived

Morphology Strawberries have underground stems which readily break so that a new plant can result from just a portion of the parent plant Leaves of desert plants are often hairy (to reduce water loss) whereas those in the tropics are mostly smooth; l fruits in temperate regions tend to be hard (nuts, acorns) whereas those of the tropics are often fleshy (banana) Flowers tend to be large and solitary in tropical plants; smaller and more numerous in temperate regions