Which four systems do animals use to carry out nutrition? What are the functions of these four systems?
Digestive: extracts nutrients from the food. Respiratory: absorbs oxygen. Circulatory: transports nutrients around the body. Excretory: expels waste products.
What type of cell can swim?
Male reproductive cells can swim.
What is the vascular system?
It is composed of different tissues that transport water, mineral salts and nutrients around the plant.
Which substance in a plant cell helps carry out photosynthesis?
chlorophyll, membrane, cell wall, chloroplast
Plant tissues play 3 specific roles. What are they?
1 Protection 2 Transportation of nutrients 3 Supporting the plant
What type of cell is this?
red blood cell
nerve cell
reproductive cell
none of the above
True or false: Animal cells have one large vacuole and plant cells have several small vacuoles. (If false, correct the sentence.)
False. Animal cells have several small vacuoles and plant cells have one large vacuole.
Vertebrates use their ____________ and ____________ systems to interact with the environment.
locomotor and nervous
What three life processes do cells carry out?
interaction, reproduction, and nutrition
What parts of the body make up the circulatory system?
heart, blood, blood vessels, lymph
What are the three main parts of a plant?
flower, leaves, soil
flower, roots, stem
leaves, stem, flower
roots, stem, leaves
What life process is shown in the photo?
reproduction
nutrition
interaction
none of the above
Name two examples of unicellular organisms and two examples of multicellular organisms.
Red blood cells carry oxygen from the lungs to the muscles and organs. They transfer the oxygen they carry to the muscles.
Muscle tissue is _______ but _______ so that the muscle can expand and contract easily.
strong, hard
hard, strong
strong, flexible
flexible, strong
What are the functions of the leaves, roots, and stems in plants?
Leaves: make food for the plant. Roots: absorb water and nutrients from the soil. Stems: support the plant and transport water and nutrients throughout.
Which animal is viviparous and which is oviparous?
horse: viviparous; penguin: oviparous
What four things do most cells have?
nucleus, membrane, cytoplasm, organelles
In interaction, the (1) ____________ detect information about the world around us and (2) ____________ transmit this information to the brain.
1. nerves 2. senses
1. senses 2. nerves
1. senses 2. cells
1. nerves 2. cells
How are plant and animal cells different?
They have different shapes (plant cells are polygonal) and different components (animal cells have several vacuoles while plant cells have one large vacuole).
The heart is an (1) ____________ formed from (2) ____________ tissue that pumps (3) ____________ and fibrous tissue that makes up the valves.
(1) organ (2) muscle (3) blood
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