Biology 11- Animal Kingdom
37 flashcards · Biology · by Sharon Sahota
what type of animal feeds on dead and decaying plant and animal material?
saprophyte/ decomposer
what is a symbiosis relationship?
where 2 animals live in close association with another
large animals need a ___
large circulatory system to move materials within their bodies
what system is responsible for eliminating waste
excretory system
what system is responsible for responding to the environment?
nervous system
muscle contraction enables motile animals to move around, usually by working in combination with a support structure called...
endoskeleton
sexual reproduction helps to create and maintain ...
genetic variation
tissues join together to form....
organs and organ systems
Animals are...... eukaryotic heterotrophs that lack ....
multicellular, heterotrophic and complex cell walls
are animals eukaryotic or prokaryotic
Eukaryotic
what is a tissue?
group of cells working together
what type of tissue covers body surfaces?
ectoderm
what percent of animals have invertebrates? what does that mean?
95%, don't have backbones
3 examples of invertebrates
jellyfish, sponges, clams, octopus, clams, worms
Herbivores eat
plants
Carnivores eat
animals
Omnivores eat
both plants and animals
respiration means?
that an animal takes in o2 and gives off co2
a primary waste product of a cell is
urea/ ammonium
What is a blastocyst?
hollow ball of cells
What is a deuterostome?
It is an animal whose anus is formed from the blastopore.
animals that reproduce sexually begin life as a ...
embryo
what is endoderm
innermost germ layer/ develops into the lining of the digestive tract
what is mesoderm
middle layer/ develop into muscles
what is ectoderm
outer layer/ develops into skin
What is asymmetrical?
animals that do not have a type of body symmetry
What is radial symmetry?
when many lines of symmetry all go through a central point ex) sea anemone
What is bilateral symmetry?
animals that have a left and right side
what is segmented
when the body is constructed of many repeated and similar parts
What is cephelization?
the concentration of nerve cells and sense organs at the front end of the body
Why is a body cavity important?
more complex= increase/larger body sytem
anterior means
the front end of the organism
prosterior means
the back end of the organism
dorsal means
the upper side of the organism
ventral means
the lower side of the organism
what is the anterior end of the body called (on bilaterally symmetrical animals)
head
what reproduction produces offspring that are identical to the parent?
asexual