Diversity of Life pt 2 Flashcards
Kingdom animalia are all __ and ___. Most are ___ during some part of their life cycle. They have no __ __, and have __ or ___ ___ ___ that form during embryonic development.
multicellular, heterotrophic, motile, cell wall, 2, 3, tissue layers
One way to classify animalia is by body symmetry. ____ animals have a sagittal plane that divides the body into left and right halves. These organisms also have a __ and ____, and most have ____. ____ symmetric animals have a circular arrangement around a central axis that has an ___ and ___ (without a mouth) side. Some animals are ___. Some animals show different body plans at different stages in their ___
bilateral, head, tail, cephalization, radial, oral, aboral, asymmetrical, development
Collection of nervous tissue in the front of an animal (brain
cephalization
Examples of bilateral symmetrical animals are __ and ___. ___ are examples of radial symmetrical animals with the oral side on the ___. ____ are examples of asymmetric animals
humans, lobsters, starfish, bottom, sponges
____ are animalia that lack tissues. They have no ___ design or specialized ____. There is only one phylum which are ____ (___). ____ make up the rest of the animalia and they do have tissues
parazoa, complex, organs, porifera, sponges, metazoa
Animalia can also be classified by their __ ___. ____ animals have 2, an __ and ____. ___ animals have 3, an ___, ___ and ___.
germ layers, diploblastic, endoderm, ectoderm, triploblastic, endoderm, mesoderm, ectoderm
All radial symmetrical animals are _____. All bilateral animals are ___
diploblastic, triploblastic
a body cavity located between the mesoderm and endoderm
coelom
Triploblastic animals can either be an ____, when there is no coelom located in the body, ___/___ where the coelom is completely surrounded by the mesoderm, and ____, where the coelom is not completely surrounded by the mesoderm
acoelomate, eucoelomate, coelomate, pseudocoelomate
Triploblastic coelomates become a ____ if the blastopore becomes the mouth and undergoes ___ cleavage, and a ___ if the blastopore becomes the anus and undergoes ____ cleavage
proteostome, spiral, deuterostome, radial
If animalia have a ______/ ____ digestive tract, in which there is only a ___ opening for food and no ____. in this, food is digested in a ___ ___, and expelled through the same hole. if animalia have a complete or ____ digestive tract, they have both a __ and __ and the tract is also referred to as an __ ___
two way, incomplete, single, anus, gastrovascular cavity, one-way, mouth, anus, alimentary canal
A form of asexual reproduction where an egg develops into a new individual without fertilization
parthenogenesis
When gametes are released into the environment where they meet and fuse
external sexual reproduction
When gametes are deposited inside and organism and fuse
internal sexual reproduction
Individuals that have both male and female reproductive organisms
monoecious / hermaphroditism
individuals that are males or females and produce one type of gamete
sexually dimorphic / dioecious