- Within the Bilateria, animals are divided into three major divisions based on the presence and structure of a body cavity called a
- The localization of sensory structures at the anterior end of the body
- Animals that undergo embryonic development where the blastopore develops into the animal's anus are____
- Bilateral animals have ___germ layers
- Protostomes are animals where the embryonic blastopore becomes the :
- Collectively, animals are known as _____
- Multicellular heterotrophs lacking cell walls are known as
- Where do large and small strongyles of horses infect?
- You are studying an animal that is new to science. Through careful observation, you have determined that the organism exhibits has true tissues, a true coelom, and undergoes spiral cleavage during development. Based on these morphological and developmental characteristics, into which groups could you classify this animal?
- The underside or lower surface of the body is the ___ side
- When an animal's body is divided into a number of nearly identical units or regions, it has a ____body plan
- The two animal subgroups used to indicate the presence or absence of specialized tissue types are:
- Based on molecular data and their morphological similarity to a certain type of cell found in sponges, _____ are thought to be the closest living relative of animals.
- In a bilaterally symmetrical animals, a _____ is a fluid-filled body cavity, which develops entirely within the mesoderm
- The ____ end of the body is towards the front or head
- When do we see teladorsagia (ostertagia) infection?
- What organism was used to discover habituation?
- When and by who was habituation first discovered
- learned behavior-not instinctual-infants observe mother response and response to mother (strong infant-mother bond)-reinforced through play
- platyrrhines (new world monkeys) and catarrhines (old world monkeys, apes, humans)