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Chap 1 Cells

chap 1 vocab / concepts

QuestionAnswer
asymmetrical a living thing that has an irregular shape. (example:sponge)
cambium in a plant stem... the xylem and phloem are produced in the cambium *** its function is to produce new cells
cell the smallest unit of a living thing that can carry out the basic processes of life
chlorophyll a chemical that causes the leaves of plants to appear green -- Its purpose is to absorb sunlight
classification a system used to group living things
kingdom a way to group living things by internal form and structure
muscular system this system provides an animal with the power to move
organism a living thing
photosynthesis the process by which leaves make food
Organisms can be classified into kingdoms, species, genus and class. Which is the smallest and the largest? Species -- smallest kingdom -- largest
tissues a group of cells that work together
organ a group of tissues that work together
organ system a group of organs that work together
What is radial symmetry? Give an example. a body plan where all body parts are arranged around a central point JELLYFISH
What is Bilateral symmetry>? Give an example. a body plan in which an organism can be divided to produce a mirror image. WORMS
To which body system does the spine, tissue, kidney,and esophagus belong? skeletal muscular excretory digestive
alveoli thin walled air sacs in the lungs
bronchi tubes in the lungs that carry air and look like branches
vascular plants plants with a system of tubes that carry water and nutrients around the plant. They grow very tall
nonvascular plants plants that are smaller, have no tubes and grow clase to the ground to soak up water.
3 characteristics plant cells 1.make their own food using chlorophyll/sunlight 2.have a central vacuole 3.have a cell wall around the cell membrane to give the cells more support
3 characteristics of animal cells 1.animal cells cannot make their own food 2.only have a cell membrane (our skin) 3.require other animal and plant cells for energy (food)
What is cellular organization in animals? tissues -- muscles organs -- heart, kidney, lung organ systems -- circulatory, muscular...
What does the digestive system do? breaks down food and gets rid of waste
What is the job of the cell membrane? it controls what can move in and out of a cell. It prevents substances from entering and also prevents necessary substances from leaving (like water or food)
characteristics of birds lays eggs, warm blooded, hollow bones, has feathers.
characteristics of monotremes has hair, big brain, warm blooded, lays eggs (paltypus and anteater)
characteristics of placental mammals warm blooded, babies develop inside mother
characteristics of marsupial has hair, big brain, warm blooded BUT carries babies in a newborn pouch
which part of the plant do sugars move through? phloem
what is the difference between plants with soft stems and plants with wooody stems? soft stems bend easily with the weather woody stems grow taller are more likely to snap in high winds or be struck by lightening
name the steps to the scientific method
What makes up the skeletal system? bones, tendons, and ligaments
What are ORGANELLES? they make up the cell, the smaller structures inside a cell
What is one very important feature found in a plant and NOT in an animal? What is it? chloroplast...a green structure in the plant where energy from the sun is used to make food for the plant (the kitchen)
mitocondria an organelle that supplies energy for the cell
vacuole structure of a cell used for storage (water, food and waste)
bacteria the simplest unicellular organism...have NO nucleus
Created by: Team 5