40 points a scientist is observing an invertebrate animal that she collected in shallow salt water. the animal has a hollow central cavity and a gut. which animal is the scientist most likely observing? a cnidarian, because it has a gut a cnidarian, because it was collected in shallow salt water a sponge, because it has tissue layers a sponge, because it is an invertebrate

Explain how scientists use geologic time to determine the age of landforms.

Which best describes carbon dioxide’s path out of the body

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.