The first cells were autrophs, Indicate whether the statement is true or false


F, heterotrophs

Biology & Microbiology

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Skeletal muscle cell development is controlled by _______ proteins

A. homeobox B. basic domain C. Hox D. myogenic bHLH

Biology & Microbiology

Four of the five answers listed below are human efforts to improve the carrying capacity of the earth

for humans. Select the exception. a. desertification b. recycling c. green revolution d. irrigation e. conservation

Biology & Microbiology

Life on Earth has experienced several mass extinctions. What likely caused one or more of these extinctions?

A) an asteroid impact B) worldwide drought C) genetic drift D) an increase in large predatory mammals

Biology & Microbiology

Which of these statements is CORRECT?

A) Scientific ideas are subjected to repeated testing. B) Science can be used to prove or disprove the idea that deities or spirits cause earthquakes and other natural disasters. C) Science does not require observations that other people can confirm. D) Only discovery science can lead to important conclusions about nature.

Biology & Microbiology