What are the special structures that organisms use to sense and respond to change?
receptors
DNA is one of these: a substance of two or more atoms linked together to create unique properties
a molecule
The sum total of all processes an organism uses to convert energy and use that energy to be sustained.
metabolism
bacteria, flatworm
Just like the atom is the smallest unit of matter, the ____ is the smallest unit of creation
cell
Which organ of our body is full of receptors?
our skin
The double helix of DNA is made by two long strands of atoms that make up the _______, or support, of the DNA
backbone
What is the name of the chemical that plants make for food?
glucose
offspring that are born able to see, hear, move, regulate body temperature, and eliminate waste with out a parents help are defined as this
precocial
This is the outer covering of the cell
membrane
Give an example of how plants respond to change
growing up, follow the sun, close blooms at night, etc
Which two nucleotide bases are missing from the list: cytosine, adenine
guanine and thymine
What is the name of the chemical that plants store their food as?
starch
puppies are born with their eyes closed. Are they precocial or altricial?
altricial
In this organelle, you will find most of the organisms DNA
the nucleus
A rock falls off a cliff responding to change, so, why is the rock considered not alive?
it can not respond to that change, which is equally important
Information is stored in DNA by the sequencing of these _______ bases.
nucleotide
Photosynthesis produces these two things
glucose and oxygen
Suppose a species has a lot of offspring. What can you determine about their lifestyle?
It's probably dangerous so they need to replenish their population more so than other species
A cell from this organism will not have a nucleus
bacterium
Why do people with leprosy need to examine themselves several times a day to check for injuries?
They can not sense pain and could possibly get sick from untreated infection or loss of blood.
Thymine Guanine, Adenine, Thymine, Cytosine, Adenine
Metabolism produces energy and these two other things
Carbon dioxide and water
Suppose a female cat is born sterile. Is it still alive if it can not reproduce?
yes, it's cells are reproducing so it still meets the critera
This jelly like substance fills the cell and organelles are suspended in it.
cytoplasm