Va rog ajutor!! E urgent II. Completați frazele următoare utilizând termenii științifici corecți:
a) Celula cu nucleu individualizat și organite celulare se numește ………… .
b) ADN-ul și ARN-ul se numesc ………… .
c) ………… ………… sunt structuri care funcționează ca niște organe miniaturale, fiind răspunzătoare de îndeplinirea unor anumite funcții.
d) Nucleoidul este ………… al procariotelor.
e) Toate celulele prezintă ………… în timp ce peretele celular e prezent la celulele ………… .

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.

What type of measurement would you use to describe the density of species in each of these situations? explain your answer in each case. - sheep in a paddock - grass in a field - leaves on a plant