Biology, 30.07.2019 16:30 12bluestone
Which of the following occurs during the embryonic stage? a. the zygote implants itself in the uterine wall. b. the fetus reaches full term and is ready to be born. c. the vital organs and bodily systems begin to form. d. the fetus’ footprints and fingerprints begin to form.
Answers: 2
Biology, 21.06.2019 20:30
How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?
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Biology, 22.06.2019 01:00
An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen
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Biology, 22.06.2019 01:00
Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants
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Biology, 22.06.2019 05:40
Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.
Answers: 1
Which of the following occurs during the embryonic stage? a. the zygote implants itself in the ute...
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