General Biology · free preview
Chapter 28: Invertebrates
A brief look at any magazine pertaining to our natural world, such as *National Geographic*, would show a rich variety of vertebrates, especially mammals and birds.
1. Chapter 28: Invertebrates
Chapter 28: Invertebrates
2. Key terms check
Which key term matches this definition?
sponge cell with multiple functions, including nutrient delivery, egg formation, sperm delivery, and cell differentiation
3. Key terms check
Which key term matches this definition?
phylum of vermiform animals with metamerism
4. Key terms check
Which key term matches this definition?
primitive gut cavity within the gastrula that opens outward via the blastopore
5. Key terms check
Which key term matches this definition?
phylum of animals with jointed appendages
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