A 65-year-old man had an EKG recorded at a local emergency room following a biking accident. His weight was 80 kg and his aortic blood pressure was 160/90 mm Hg. The QRS voltage was 0.5 mV in lead I and 1.5 mV in lead III. What is the QRS voltage in lead II

#Question id: 10695

#10. Ecological Principles

Consumer (+) and resource (-) interactions classified by the two factor

T- Duration or intimacy of the association between individuals

Kp- Probability that resource individuals will be killed

Which of the following some statement are correct?

A-  Value of T for Grazer is greater than parasite

B-  Value of Kp for predator is greater than parasite

C-  Value of Kp for parasite is greater than parasitoid

D-  Value of T for parasitoid is greater than predator

#Question id: 10696

#10. Ecological Principles

In a new area two species A and B was discovered and taking energy from another species X and Y respectively. Following some is life history trait of species.

I- A species is often larger than X

II- Each A species taking energy from many X

III- One Y usually supports populations of B species

IV- Fatality of Y is Mild to severe

Which of the following is correct observation of above species?

#Question id: 10702

#10. Ecological Principles

Species A has a large effect on community because of its abundance in community known as

#Question id: 10702

#10. Ecological Principles

Species A has a large effect on community because of its abundance in community known as

#Question id: 10703

#10. Ecological Principles

Keystone predators can maintain species diversity in a community if they

#Question id: 10705

#10. Ecological Principles

Which of the following statements is TRUE for an ecotone?