Pangea split during the Jurassic Period. There were dinosaurs in the Jurassic Period, which went extinct in the Cretaceous Period. Conifers and ferns were present in the Jurassic Period, but not in the Cretaceous Period.
Answer:Fungi release digestive enzymes into their food and digest it externally.
Explanation:
They absorb the food molecules that result from the external digestion.
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Answer:
С observation
Explanation:
This mode of investigation is an example of observation.
Observations are carried out using our senses and keen inquisitiveness. It can take place within a short period of time or an extended duration.
So; noticing the change in shape of the salamanders is making an observation.
Our sight, smell, taste e.tc are all observational tools.
A drought might result in a famine because without water, plants won't be able to grow, so the organisms that eat the plants will starve, as will the organisms that eat the organisms that eat the plants, and the organisms that eat the organisms that eat the organisms that eat the plants, and so on, resulting in a famine.
Answer: C
This membrane protein is a <u>receptor protein.</u> Polytopic membranes cross the membrane for the molecules a couple times. The answer is C.
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