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T1-Living things L4

T1-Lesson 4 Plants and animals 7th grade

TermDefinitionContinuation
II. CHARACTERISTICS OF PLANTS 1. Nearly all PLANTS are AUTOTROPHS 2. GREEN ALGAE is part of the PLANT KINGDOM; single celled and live in the water. 3. Plants undergo photosynthesis to obtaining food (sugar) COW ----> GO 4. Stoma (plural stomata)- located under leaves; allow water oxygen and carbon dioxide can move 5. Special Structures for plant cells- Cell wall, Vacuole, Chloroplasts, Chlorophyll.
Cell Wall Strong rigid wall around the cell
Vacuole Largest structure in plant cell; holds water, wasted, and food.
Chloroplasts Where food is made.
Chlorophyll Pigment that absorbs sunlight for photosynthesis.
I. FORM and FUNCTION 1.Plants, animals, protists, and fungi are all in the domain EUKARYA. 2. All made of 1 or more cells with a nucleus. 3.PLANTS are AUTOTROPHS 4. ANIMALS are HETEROTROPHS 5. Animals MOVE around to get food 6. Plants are ANCHORED to the ground, don't move. 7. Scientists look at structures (form) and what they are used for (function) to help decide which kingdom organisms belong to.
II. A. PLANT STRUCTURE 1. LEAF- used to capture light energy and gar exchange. 2. STEM- provides support and stores food; connects roots to bring water to the leaves. 3. ROOTp absorb water and nutrients; anchor the plant; store nutrients.
II. B. VASCULAR PLANTS 1. Vascular Tissue (groups of cels that work together)- transport water, food, & minerals. 2. Vascular tissue strengthens the plant which allows the to grow higher. 3. CUTICLE- waxy, waterproof layer that covers leaves and stems. 4. PHLOEM- Type of vascular tissue through which foot (sugar) moves. Xylem- Vascular tissue through which water and minerals move.
II. C. NONVASCULAR PLANTS 1. Low growing plants without vascular tissue. 2. Live in wet environments to absorb moisture from surroundings. 3. No true roots (roots just used to anchor plants- NOT for water absorption, thin cell walls. EX. Mosses, liverworts, hornworts.
III. CHARACTERIStiCS Of ANIMALS 1.Organisms are classified according to DNA, body structure, and development. 2.Animals are classified as either Vertebrates or Invertebrates.
Vertebrates Have a backbone
Invertebrates DO NOT have a backbone
A. Structure of animals 1. Multicellular with many different types of tissues. 2. Complex animals have organs and organ systems. 3. Cells --->Tissues--->Organs--->Organ systems 4. Most animals have symmetry balance of body parts.
Asymmetrical Animals without symmetry, such as the sea sponge
Radial Symmetry EX: Jelly fish, live in water and have complex body plants with tissues & usually have organ systems. An animal has radial symmetry if many imaginary lines drawn through a central point divide the body into 2 mirror images.
Bilateral Symmetry Most animals, such as the horseshoe crab have bilateral symmetry. Only ONE line can be drawn to divide the body into halves that are mirror images.
B. INVERTEBRATES 1. MOST animals are invertebrates. 2. SIX groups- Sponges, Cnidarians, Worms, Mollusks, Arthropods, Echinoderms. 3. Exoskeleton 4. Endoskeleton
Exoskeleton Support body on the outside of the animal. Grasshopper
Endoskeleton Support structure on the inside Starfish
C. VERTEBRATES 1. Phylum Chordata- Nerve cord 2. All vertebrates have 3 structures in common- NOTOCHORD, NERVE CORD, THROAT POUCHES.
Amphibians & Reptiles- ECTOTHERMIC Use the environment to stay warm. Their body temperature changes with the environment.
Birds & Mammals- ENDOTHERMS Control temperature internally.
FIVE MAJOR GROUPS Of VERTEBRATES: Fish Amphibians Reptiles Birds Mammals
MAMMALS Body Temperature regulated internally. Hair/Fur Produces milk to feed young
TRAITS Unique to Animals Adaptations- characteristics that organisms inherit the help them survive.
A. Adaptations for Movement 1. Variety of adaptations for movement- legs, wings, muscular, foot, jet propulsion, fins.
B. Adaptations for Conserving water 1. Variety of adaptations for conserving water- hold water; filter water, fresh water from food.
Created by: pinedaK
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