A blastula is

a. the innermost germ layer.

b. a hollow ball of cells in an embryo.

c. a digestive organ.

d. a stage of development before a zygote.

Which of the following is an appropriate problem statement for a science experiment? A. What is the effect of microplastic on the digestion processes of small fish? B. The effect of microplastic on the gut of small fish is unknown to humans. C.

Which of the following accurately describes covalent bonds? a) are formed when atoms transfer one or more protons b) are formed when atoms share one or more protons c) are formed when atoms transfer one or more electrons d) are formed when atoms

Which type of front moves the fastest and lifts the air faster causing short lived but heavy rain and potential thunderstorms?

what type of stimulus is a seed responding to when it begins to sprout? A. Hormones B. Lack of soil C. Sunlight D. Cold temperatures

It is not true that people become liars james baldwin

5. What is pretexting? How is this used?

The energy usage per capita in Africa and Asia have grown tremendously the last 50 years. Which of these would be a good explanation of why the energy use off these continents has grown more quickly over this time period when compared to North

Describe what happens during the regeneration stage of the calvin cycle

Почему при нехватке кислорода человек может погибнуть? Кратко!

The small organs of equilibrium in scyphozoan jellyfishes are called