Life Science - 1
Paramecia are also members of a large group of tiny organisms called_________?
Protists
In the classification system there 8 levels, give the levels from the largest to the smallest.
domain, kingdom, phylum, class, order, family , genus, species
What controls everything in a cell and contains a tangled mass of ____ called ____ and when it becomes visible it is called a _____.
What is the nucleus?
DNA, chromatin
chromosome
Word for all living things in an ecosystem.
What is biotic?
Cucumbers, tomatoes and snap peas are examples of ____ which scientifically are the ___ of the flower.
fruits, ovaries
What is the study of organisms and their environment called?
What is Ecology?
An organism that can make its own food.
What is an autotroph or producer?
The process by which individuals that are better suited to their environment survive and reproduce.
What is natural selection or survival of the fittest?
The powerhouse of the cell and it does what function?
Mitochondria
It performs respiration.
The type of relationship where one organism benefits and one is unaffected.
What is commensalism?
A change in your environment that you respond to
What is a stimulus?
Proteins are made up of monomers called ___ and there ____ of them.
amino acids, 20
What is the advantage of asexual reproduction?
What is the disadvantage of asexual reproduction?
quick
no diversity
Cell ___________ is a form of asexual reproduction, which paramecia use most of the time to reproduce. The two new cells that are produced are called ____ cells.
division
daughter
Leeuwenhoek, a Dutch biologist, referred to protists as _____________________.
Animalcules
What is the largest organ in your body?
What is your skin?
The process of releasing (ATP)energy from glucose/nutrients.
What is cellular respiration?
The process of cell division for body cells
What is mitosis?
Where photosynthesis takes place in a plant cell
What is the chloroplast?
One organism depend on a host organism in a way that harms the host.
What is parasitism?
Plants do ____ to produce a form of energy and they do ____ to get energy?
Which do they do more?
Photosynthesis
Respiration
Photosynthesis
How many pairs of chromosomes does a human body contain?
What is 23
Converting water and carbon dioxide into oxygen and glucose, using the sun.
What is photosynthesis?
Organs that work together to perform a function
What is an organ system?
What are the 3 major parts of DNA?
Nitrogen bases
Phosphates
Deoxyribose sugar
What are the three pieces of evidence that supports cell theory?
All living things are made of one or more cells.
Cells are the basic units of structure and function in living things.
All cells come from other cells.
The human body system that involves the heart, blood, veins, and arteries is called ___.
This helps distribute digested food and oxygen. It helps keep balance in the body of various substances which is one of the 6 characteristics of living things. This is called ______
What is the Cardio-vascular system or circulatory system?
Homeostasis
What is osmosis?
The molecule ____gives us quick energy and it makes the polymers ___ and ___.
Give a food chain that involves brine shrimp. It should have 3 links. Is it a primary, secondary or tertiary consumer.
algae, shrimp, bacteria
Primary consumer
group of simplest organisms without a nucleus are called...?
The smallest living part of any living organism?
Each one has a structure that produces a particular function. They are ____
cell
specialized
After something dies, the matter is consumed, broken down, and returned to the environment by these.
Name 3
What is a decomposer?
Bacteria, fungi, mushroom, earthworms
A parent is heterozygous for dimples and so is the mother. What is the chance that they will have a child with no dimples?
If they had a second child what would the chance be of the second child having no dimples?
1/4 or 25%
Under a strong microscope, you can see several kinds of cell structures called
____________ inside a human cell or a paramecium.
Organelles