Q: Adult sponges produce eggs and sperm, and each ovule usually contains one egg , the female gamete or sex cell. Given these facts, adult sponges produce sperm and what other sex cell among the following options: - testicles - it needs them - gastropod shells - fertile - testosterone - zygotes - female gametes - barnacles
A: female gametes

Q: Biodiversity generally increases from the poles to the equator, and most rainforests lie near the equator. Given these facts, biodiversity generally increases from the poles to the area where what is found among the following options: - animals - Fjords - Most plants - Icebergs - Rainforests - Tundra - our planet - Animal survival
A: Rainforests

Q: Some mollusks are nearly microscopic, and ribosomes are too small to see in the light microscope. Given these facts, some mollusks are nearly what among the following options: - more abundant - scarce resources - too sad to talk to - too large to touch - major threat to health - too small to see - too big to see - important habitats
A: too small to see

Q: Apesticide is used for protecting plants by killing insects, and pesticides such as DDT are also of concern. Given these facts, dDT protects plants by doing what among the following options: - to stay warm - energy barrier - eating insects - killing crops - activation energy - killing insects - killing everything - it needs them
A: killing insects