Ques: If ecosystems get energy from electromagnetism, then what do ecosystems get energy from? Answer choices: - colors of the spectrum - fossil fuels - during the day - our star - electromagnetism - In their leaves - rays or beams - sun's heat
Ans: electromagnetism

Ques: If yeasts use spores to reproduce, then what do yeast use to reproduce? Answer choices: - Energy - spores - sunlight - alleles - A kernel - pollen - propagate - seeds
Ans: spores

Ques: If echolocation has a positive impact on an animal 's survival, then what has a positive impact on an animal's survival? Answer choices: - human hunting - echolocation - peachleaf willow - a lack of human aid - four limbs - a band aid - sensory neurons - genetic diversity
Ans: echolocation

Ques: If palm trees form secondary vascular tissues and bark, then what forms secondary vascular tissues and bark? Answer choices: - palm trees - tulips - In their leaves - ferns - shrub beds - peonies - rhubarb - Most plants
Ans:
palm trees