BIO 182 Exam 4 review 2025 Questions
and Answers 100% Pass
What are some commone characteristics of animals? - ANSWER-multicellular
heterotrophs
lack of cell walls
nervous tissue
sexual reproduction
Hox genes
What life cycle does all animal show? - ANSWER-gametic
What are the likely ancestors of animals? - ANSWER-chaonoflagellates protists
What are 3 major features to classify animals? - ANSWER-1. presence or absense
of different tissue types
2. type of body symmetry
3. specific features of embryonic development
What are the 3 different type of tissues (ends in zoas)? - ANSWER-metazoa
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, 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
deuterstoma
What does the blastopore develop into in protostoma? - ANSWER-mouth
What does the blastopore develop into in deuterstoma - 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
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
and Answers 100% Pass
What are some commone characteristics of animals? - ANSWER-multicellular
heterotrophs
lack of cell walls
nervous tissue
sexual reproduction
Hox genes
What life cycle does all animal show? - ANSWER-gametic
What are the likely ancestors of animals? - ANSWER-chaonoflagellates protists
What are 3 major features to classify animals? - ANSWER-1. presence or absense
of different tissue types
2. type of body symmetry
3. specific features of embryonic development
What are the 3 different type of tissues (ends in zoas)? - ANSWER-metazoa
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, 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
deuterstoma
What does the blastopore develop into in protostoma? - ANSWER-mouth
What does the blastopore develop into in deuterstoma - 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
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2