If scaping oneself can cause death, then what can scraping onself cause? Answer choices: - happiness - disease - swea - pleasure - Injury - death - reproduction - erosion
death

If starfish use pheromones to communicate with each other, then how do starfish communicate with each other? Answer choices: - huddle together - writing - during the day - pheromones - Chemical energy - waving their arms - Decibels - talking
pheromones

Q: If geckos are not invertebrates, then which of the following animals is NOT an invertebrate? Answer choices: - shrimp - orchids - gecko - sheep - Schwinn - jellyfish - praying mantis - Birds
A: gecko

Question: If frogs breathe with gills as larvae and with lungs as adults, then an example of organisms that breathes with gills as larvae and with lungs as adults are? Answer choices: - mollusk - salmon - a fish - harmful - reptile - amoeba - frogs - arachnid
Answer: frogs

*Question*
If some insects communicate with chemicals called pheromones, then how do some insects communicate? Answer choices: - sound - sensory neurons - Decibels - electronic waves - progesterone - Vibrates - pheromones - radio waves
**Answer**
pheromones

Q: If chemical disintegration of rocks causes the iron in it to oxidize, then what causes iron in rocks to oxidize? Answer choices: - a tree falling - oxidation reaction - exposure to cold - chemical disintegration - hydrogen and oxygen - basic building blocks of life - fissures of hot, acidic water - flow of electrons
A: chemical disintegration