Blog

An object is in a region such that its system’s potential energy as a function of position is as graphed below. What is the y component of the conservative force associated with the potential energy at y = 18 m?

Translate the following sentences into English.   1.  我的哥哥喜欢绿色。 wǒ de gē ge xǐ huān lǜ sè . 2.  爷爷没有狗。yé ye méi yǒu gǒu . 3.  他会说中文。tā huì shuō zhōng wén .    

Rearrange the words/phrases into sentences. 1. 什么(shén me)   2.你   3.名字？(míng zi)  4.叫(jiào)  

Rearrange the words/phrases into sentences. 1. 家 2.有   3.你  4.口  5.几  6. 人？  

Which of the following are the two models used to explain the fossil record of morphological change through time?

Acritarchs are microfossils of green microalgae thereby providing fossil evidence that eukaryotes originated by a least 2.0 Ga.

Prokaryotes are unicellular organisms that possess organelles and a nucleus.

Which of the following is evidence of “imperfect design” that supports Darwin’s theory of Evolution through natural selection?

Retention of ancestral juvenile features into the adult stages of its descendant is called: 

Deuterostome larval/embryonic development occurs in all chordates as well as the invertebrate phylum Echinodermata (i.e. starfish, crinoids, urchins, etc.).