Which animals are invertebrates?

starfish

earthworms

tunicates

amphibians

lancelets

octopus

crab

grasshopper

Certain flightless beetles have wings. Their wings are an example of which type of structure? A. Vestigial Structure B. Embryonic Structure C. Homologous Structure D. Adapted Structure

Which example best describes one way that humans contribute to the water cycle? formation of genetic material evaporation of sweat from skin the process of photosynthesis deforestation caused by logging

What is the role of acetylcholine in a skeletal muscle contraction

Ch4 is an example of

Explain why the photic and aphotic zones of marine biomes are interdependent

Which describes the scientific view's order of earth's first living things to the most recent? A. cyanobacteria, hagfish, crocodilians, giant ground sloths B. cyanobacteria, crocodilians, hagfish, giant ground sloths C. cyanobacteria.

At what stage of mitosis does the cell grow and make copies of its hereditary material

A landform that has high elevation and a more or less level surface is a ...

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya

The word below is the scientific name of a species of protists that causes algal blooms. Which of the following answer choices best represents the bolded word in the scientific name below? Karenia brevis class species kingdom genus