Antigens are found on cancer cells and the cells of transplanted organs, and if an antigen causes cancer, it is referred to as a pathogen. Given these facts, what are antigens also among the following options: - resistance - negative - humans - positive - pathogens - more abundant - complex - Allergies
pathogens

Pollination requires pollinators, and several plant species require flooding for seeding establishment. Given these facts, several plant species pollinate through what among the following options: - bloom time - coded genes - Reproduction - Wind - tiny polyps - competition - gene flow - flooding
flooding

Q: Ants communicate with chemicals called pheromones, and pheromones are subtle scents emitted by animals in mating season. Given these facts, what communicates with subtle scents among the following options: - bears - viruses - bacteria - Birds - bats - ants - koalas - phytoplankton
A: ants

Question: Cell division is more complex in eukaryotes than prokaryotes, and eukaryotes move much faster than prokaryotes. Given these facts, cell division is more complex in organisms with what among the following options: - Chemical energy - Earth orbiting the Sun - Electrical energy - faster movement - scarce resources - aerobic capacity - Localized damage - rapid expansion
Answer: faster movement

*Question*
Alight bulb requires electrical energy to produce light, and coal today is mostly used for power plants creating electricity. Given these facts, what can power a light bulb among the following options: - copper - coal - Cars - Gas - motors - heat - energy - metal
**Answer**
coal

Rivers are usually larger than streams, and and the fourth river is the Great River, the river Euphrates. Given these facts, what is usually larger than streams among the following options: - bathtubs - h2o from a tap - loose soil - body water - an object - puddles - Euphrates - four limbs
Euphrates