Bio 182 Exam 4 Review| With Actual
Complete Questions And 100%Correct
Answers| Structured For Revision| A+
Guaranteed| 2025 Update.
What are some common characteristics of animals?
ANSWER ✔✔ multicellular heterotrophs
lack of cell walls
nervous tissue
sexual reproduction
Hox genes
What life cycle does all animals show?
ANSWER ✔✔ gametic
What are the likely ancestors of animals?
ANSWER ✔✔ choanoflagellates protists
What are 3 major features used to classify animals?
ANSWER ✔✔
1. presence or absence of different tissue types
2. type of body symmetry
3. specific features of embryonic development
What are the 3 different types of tissues (end in zoas)?
, ANSWER ✔✔ metazoa
parazoa
eumetazoa
Where are metazoa seen?
ANSWER ✔✔ in all animals
What are parazoa?
ANSWER ✔✔ without specialized tissues/organs
What are eumetazoa?
ANSWER ✔✔ more than 1 type of tissue/organs
What are the two types of body symmetry?
ANSWER ✔✔ radial
bilateral
What are the two types of embryonic development?
ANSWER ✔✔ protostoma
deuterostoma
What does the blastopore develop into in protostoma?
ANSWER ✔✔ mouth
What does the blastopore develop into in deuterostoma?
, ANSWER ✔✔ anus
What is the focused gene for molecular analysis?
ANSWER ✔✔ small subunit ribosomal RNA
What are the two new invertebrate clades?
ANSWER ✔✔ Ecdysozoa
Lophotrochozoa
What are some animals that are in Ecdysozoa and what does this clade mean?
ANSWER ✔✔ nematodes and arthropods
molting
What are some animals and features in Lophotrochozoa?
ANSWER ✔✔ mollusks and annelids
feeding tentacles
trochophore larva
What are characteristics of Porifera?
ANSWER ✔✔ lack of true tissues
filter feed
What are characteristics of Cnidaria?
ANSWER ✔✔ radial symmetry, nematocysts, polyp vs medusa, one opening
Complete Questions And 100%Correct
Answers| Structured For Revision| A+
Guaranteed| 2025 Update.
What are some common characteristics of animals?
ANSWER ✔✔ multicellular heterotrophs
lack of cell walls
nervous tissue
sexual reproduction
Hox genes
What life cycle does all animals show?
ANSWER ✔✔ gametic
What are the likely ancestors of animals?
ANSWER ✔✔ choanoflagellates protists
What are 3 major features used to classify animals?
ANSWER ✔✔
1. presence or absence of different tissue types
2. type of body symmetry
3. specific features of embryonic development
What are the 3 different types of tissues (end in zoas)?
, ANSWER ✔✔ metazoa
parazoa
eumetazoa
Where are metazoa seen?
ANSWER ✔✔ in all animals
What are parazoa?
ANSWER ✔✔ without specialized tissues/organs
What are eumetazoa?
ANSWER ✔✔ more than 1 type of tissue/organs
What are the two types of body symmetry?
ANSWER ✔✔ radial
bilateral
What are the two types of embryonic development?
ANSWER ✔✔ protostoma
deuterostoma
What does the blastopore develop into in protostoma?
ANSWER ✔✔ mouth
What does the blastopore develop into in deuterostoma?
, ANSWER ✔✔ anus
What is the focused gene for molecular analysis?
ANSWER ✔✔ small subunit ribosomal RNA
What are the two new invertebrate clades?
ANSWER ✔✔ Ecdysozoa
Lophotrochozoa
What are some animals that are in Ecdysozoa and what does this clade mean?
ANSWER ✔✔ nematodes and arthropods
molting
What are some animals and features in Lophotrochozoa?
ANSWER ✔✔ mollusks and annelids
feeding tentacles
trochophore larva
What are characteristics of Porifera?
ANSWER ✔✔ lack of true tissues
filter feed
What are characteristics of Cnidaria?
ANSWER ✔✔ radial symmetry, nematocysts, polyp vs medusa, one opening
