You are presented with the question "What do ancathostega have four of?" and the following answer choices: - Eggs - feet - Wings - alveoli - Lungs - ovaries - rings - Limbs Now knowing that amphibians are the first true tetrapods, or vertebrates with four limbs and ancathostega is one of the earliest tetrapods found, and by far the most complete, choose the best answer.
Limbs
You are presented with the question "dominant invertebrate reproduce how?" and the following answer choices: - ligt - in trees - sexually - in sterile conditions - seeds - competition - without sex - colors Now knowing that mollusks reproduce sexually and mollusks are the dominant invertebrate, choose the best answer.
sexually
Q: You are presented with the question "What helps plants cultivate their entire live span?" and the following answer choices: - Fertilizer - Exfoliation - agriculture - sunlight - warmth - Energy. - Energy - Chemical energy Now knowing that most plants continue to grow throughout their lives and fertilizers help plants grow, choose the best answer.
A: Fertilizer
Question: You are presented with the question "what does a high-mass star collapsing form?" and the following answer choices: - forces - a sphere - a cube - a circle - dangerous - an object - comets - nucleus Now knowing that ablack hole is formed by a high-mass star collapses and black holes are considered to be spheres, choose the best answer.
Answer: a sphere
*Question*
You are presented with the question "What can too much caffeine in your body cause?" and the following answer choices: - energy usage - Sleep problems - Dehydration - heart problems - sweating - cancer - slow your body - negative Now knowing that caffeine is a central nervous system stimulant and over stimulation can cause sleep problems, choose the best answer.
**Answer**
Sleep problems
*Question*
You are presented with the question "What does a peachleaf willow do in the autumn?" and the following answer choices: - staying warm - It expands - Die - Change colors - Fall over - Grow new flowers - flowers - spread flower seeds Now knowing that the color of leaves on deciduous trees usually changes in the autumn season and peachleaf willow is a deciduous tree, choose the best answer.
**Answer**
Change colors