a virus is ?
is an infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria.
This part is seen as little dots within the cytoplasm that produces protein.
is a ribosome
What are invertebrates?
are species of animal that neither possess nor develop a vertebral column, derived from the notochord.
when the stomata in a plant leaf are open, the plant is most likely in what type of environment?
Moist
does fungi cure or cause diseases ?
Fungi Can Cure Disease and Fungi Can Also Cause Disease
viruses are made of ?
made up of genetic material housed inside a protein shell, or capsid.
This part is the strand of DNA
a nucleoid
what do invertebrates sever as ?
serve as food for humans; are key elements in food chains that support birds, fish, and many other vertebrate species
what plant structrues are found in both ferns and cone bearing plants?
vascular tissue
What is a protists ?
A protist is any eukaryotic organism that is not an animal, plant, or fungus.
what is the size of the typical virus ?
Most viruses vary in diameter from 20 nanometres
This part is a whip-like tail that propels the bacterium forward.
a flagellum
how many invertebrates groups ?
There Are Six Basic Invertebrate Groups
what is the female part of the flower?
pistil
what is the largest living organism on the planet ?
Fungus Is the Largest Living Organism on the Planet
Why are some viruses dangerous?
Some viruses replicate themselves by integrating into the host cell genome, which can lead to chronic illness or malignant transformation and cancer
This part appears as little hairs, designed to guide the movements of the bacterium
cilia
do invertebrates have bones ?
Do Not Have Skeletons or Backbones.
what stomata open and close in response to pressure within?
guard cells
What are 3 characteristics of protista ?
They are eukaryotic, which means they have a nucleus.
Most have mitochondria.
They can be parasites.
They all prefer aquatic or moist environments.
Are viruses alive ?
Viruses are not alive, They do not have cells.
when was the first invertebrate formed ?
The First Invertebrates Evolved a Billion Years Ago
In angiosperms ,the stuctrue that produce the male gametophyte are called what ?
anthers
what is the difference between fungi and protists?
Protista are unicellular entities and fungi are multicellular