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Biology /Invertebrates and Evolutionary Concepts

Invertebrates and Evolutionary Concepts

Biology10 CardsCreated 19 days ago

This deck covers key concepts about invertebrates, their characteristics, and evolutionary theories. It includes classification, reproduction, and evolutionary evidence.

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What is the kingdom classification of animals?

Animals are classified in the kingdom Animalia within the domain Eukarya and supergroup Opisthokonta.

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Key Terms

Term

Definition

What is the kingdom classification of animals?

Animals are classified in the kingdom Animalia within the domain Eukarya and supergroup Opisthokonta.

What are the general characteristics of animals?

Animals are heterotrophic, digest food internally, multicellular, and undergo sexual reproduction.

What defines invertebrates?

Invertebrates lack an internal skeleton of bone or cartilage and evolved before vertebrates.

What is bilateral symmetry?

Bilateral symmetry means having definite right and left halves.

How do sponges reproduce?

Sponges can reproduce both asexually and sexually, and most are hermaphroditic.

What is a hydra?

A hydra is a small, tubular polyp with two tissue layers separated by mesoglea.

What is the difference between protostomes and deuterostomes?

They differ in cleavage, blastopore development, and coelom formation.

What is ecdysis?

Ecdysis is the molting process in which roundworms and arthropods shed their outer covering.

Define Charles Darwin's theory of natural selection.

It states that organisms with advantageous traits reproduce more successfully, leading to adaptation over time.

What is the Hardy-Weinberg Equilibrium?

It describes a stable, non-evolving population where allele frequencies do not change over time.

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Invertebrates and Evolutionary Concepts

Term	Definition
What is the kingdom classification of animals?	Animals are classified in the kingdom Animalia within the domain Eukarya and supergroup Opisthokonta.
What are the general characteristics of animals?	Animals are heterotrophic, digest food internally, multicellular, and undergo sexual reproduction.
What defines invertebrates?	Invertebrates lack an internal skeleton of bone or cartilage and evolved before vertebrates.
What is bilateral symmetry?	Bilateral symmetry means having definite right and left halves.
How do sponges reproduce?	Sponges can reproduce both asexually and sexually, and most are hermaphroditic.
What is a hydra?	A hydra is a small, tubular polyp with two tissue layers separated by mesoglea.
What is the difference between protostomes and deuterostomes?	They differ in cleavage, blastopore development, and coelom formation.
What is ecdysis?	Ecdysis is the molting process in which roundworms and arthropods shed their outer covering.
Define Charles Darwin's theory of natural selection.	It states that organisms with advantageous traits reproduce more successfully, leading to adaptation over time.
What is the Hardy-Weinberg Equilibrium?	It describes a stable, non-evolving population where allele frequencies do not change over time.