1.The product was developed in response to customer demand.这种产品是为了满足顾客的需要而开发的。

2.Millions of people gave freely in response to the appeal for the victims of the earthquake.为响应救济地震灾民的呼吁，几百万人慷慨相助。

3.It was some time before the door opened in response to his ring.他按完门铃后过了一会儿门才打开。

in response to后面接名词或动名词，因为这里to是介词

in demand 和in need没有什么大区别。

两个短语都表示需求的意思。例句:The product was developed in response to customer demand.

这种产品是为了满足顾客的需要而开发的。

例句:Some prison practices are in need of root and branch reform.

有些监狱的做法需要彻底改革。

其动词evolve

evolve

v. 进化，演化；逐步发展，逐渐演变

例句：

To survive in that sort of environment, animals have to adapt to evolve in response to their surroundings.

为了在那样的环境中生存，动物必须进化，以适应周围的环境。

When that separation lasts for a period of time, the two populations are able to evolve along different trajectories.

当这种分离持续一段时间后，这两个种群能够沿着不同的轨迹进化。

evolutionary动词为evolve

例句

1.

This is an evolutionary aspect, an animal signal of introduction.

这是比较进化的特征。

2.

Hand axes mark an evolutionary advance in human history

手斧标志了人类历史上进化的进步

3.

The facts are interpreted in the light of evolutionary faith.

根据这些事实被按照进化的理念来解释。

Evolutionary的动词是evolve。

evolute,译为演变，进化。