Vocabulary
A whale, a rose, bacteria, a ladybug, & you are made of __________, the basic unit of structure & function in living things
What are cells?
One of the most important ideas in biology, __________ is a widely accepted explanation of the relationship between cells & living things
What is cell theory?
Different organelles have different jobs, or __________
What are functions?
__________, or producers, are able to create their own food in the form of glucose, an energy-giving sugar
What are autotrophs?
The energy source for otters
What are sea urchins?
Each __________ is a tiny cell structure that carries out a specific function within the cell
What is an organelle?
This scientist studied bark & coined the term "cells"
What is Hooke?
The rigid supporting layer that surrounds the cells of plants & some other organisms is the __________
What is the cell wall?
An organism that cannot make its own food, such as the sea urchin or otter, is a consumer, or a __________
What is a heterotroph?
Put the following in order:
a- Hooke studies bark & coins the term "cells"
b- Schleiden discovers plant cells
c- Schwann discovers animal cells
d- van Leeuwenhoek observes living things under the microscope
What is a, d, b, c?
Cells capture energy in sunlight & use it to make food in a process called __________
What is photosynthesis?
This scientist was the first to observe living microorganisms under the microscope
Who was van Leeuwenhoek?
The __________ is a thin, flexible barrier that surrounds a cell & controls which substances pass into & out of a cell
What is a cell membrane?
The green photosynthetic pigment found in the chloroplasts of plants, algae, & some bacteria is __________
What is chlorophyll?
__________ convert energy stored in food to energy the cell can use to live & function
What are mitochondria?
The invention of the __________, an instrument that makes small objects look larger, made the discovery of cells possible
What is a microscope?
This scientist concluded that all plants are made of cells
Who is Schleiden?
__________ fills the region between the cell membrane & the nucleus
What is cytoplasm?
The energy source for kelp
What is sunlight?
The following items are part of a food chain: bird, grasshopper, leaf, sun. Place them in the correct order to show the pathway of energy
What is sun > leaf > grasshopper > bird?
Daily Double
Cells often look different because their different organelles have different __________
Daily Double
What are structures?
This scientist reached the conclusion that all animals are made of cells
Who is Schwann?
Daily Double
In some cells, the __________ is a large oval organelle that contains the cell's genetic material in the form of DNA & controls many of the cell's activities
Daily Double
What is the nucleus?
The energy source for sea urchins
What is kelp?
The 3 main ideas of the cell theory
What are: all living things are composed of cells, cells are the basic units of structure & function in living things, & all cells come from other cells?