USABO Unfamiliar Terms Complete Practice Questions 2024.

USABO Unfamiliar Terms Complete Practice Questions 2024. orthologous genes - ANSWER homologous genes that are found in different species because of speciation paralogous genes - ANSWER homologous genes that are found in the same genome due to gene duplication mesoderm - ANSWER the middle layer of an embryo in early development Acoelomates - ANSWER lack a body cavity Protostome - ANSWER mouth from blastopore Deuteresome - ANSWER anus from blastopore Monotremes - ANSWER Egg laying mammals Marsupial - ANSWER A mammal whose young complete their embryonic development inside a maternal pouch Eutherian - ANSWER placental mammals Parenchyma - ANSWER thin walled cells used in plants for synthesis and storage Collenchyma - ANSWER have unevenly thick walls and are in the young growing parts of a plant