4. Analise o texto abaixo: "Em todo animal que não tenha ainda se desenvolvido completamente, o uso frequente repetido de um órgão qualquer fortalece, pouco a pouco, esse órgão, desenvolve-o, aumenta-o, tornando-o mais forte, com uma forca proporcional
ao tempo de uso, enquanto o desuso de tal órgão enfraquece-o aos poucos, deteriora-o, diminui progressivamente suas faculdades
e acaba por fazê-lo desaparecer." Filosofia Zoológica,1809. O texto acima deve ser atribuído a:
a) Darwin, para explicar a seleção natural.
b) Lamarck, para explicar o criacionismo.
c) Darwin, para explicar o evolucionismo.
d) Lamarck, para explicar o evolucionismo
doma

Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water you’d break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove

The diagram illustrates the activity of vesicles during a cellular process.

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to