例如，对动物的研究表明，老鼠在怀孕期间经历压力会导致胎儿表观遗传发生变化，进而导致啮齿动物在成长过程中出现行为问题。
Studies of animals, for example, have shown that when a rat experiences stress during pregnancy, it can cause epigenetic changes in a fetus that lead to behavioral problems as the rodent grows up.
但是超出这种原始情感和可预见的行为反应，即需要思维过程的复杂的动物情感，其存在的可能性是难以证明的。
But beyond such instinctual emotions and their predictable behavioral responses, the possibility of more complex animal feelings — those that entail mental processing — is difficult to demonstrate.
试图根据动物的行为洞悉它们的心理过程在情况最好的时候也是十分棘手且主观的。
Trying to discern an animal's thought processes on the basis of its behaviour is notoriously tricky and subjective at the best of times.
虽然这个过程不伤害动物，如果正确执行，鳄鱼一般反对这种有辱人格的行为。
Although this procedure does not harm the animal if performed correctly, crocodilians generally object to such demeaning behaviour.
实验心理学的重点是动物和人类行为的科学研究。课程包括学习过程，统计学，以及心理学实验的设计。
This program focuses on the scientific study of animal and human behavior. Classes cover such topics as learning processes, statistics, and the design of psychological experiments.
实验全过程中定期测定动物的行为、饮食、1%蔗糖溶液消耗量、体重增长量等指标变化。
During the whole course of the experiment, the researcher regularly tested the animals' behavior, diet, 1% of the sugar solution consumption and weight increase.
蚯蚓作为土壤环境中最常见的无脊椎动物在生活过程中的摄食、做穴、移动、排便等行为都会对土壤重金属产生影响。
Earthworm as one of universal invertebrates in soil, its ACTS including food - intake, burrow and excretion can influence the activity of heavy metals.
蚯蚓作为土壤环境中最常见的无脊椎动物在生活过程中的摄食、做穴、移动、排便等行为都会对土壤重金属产生影响。
Earthworm as one of universal invertebrates in soil, its ACTS including food - intake, burrow and excretion can influence the activity of heavy metals.
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