« previous next »

Author Question: Ducks pair up _____ . a. during migration south b. during migration north c. on their ... (Read 47 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
on: Jul 21, 2018
Ducks pair up _____ .
 
  a. during migration south
  b. during migration north
 
  c. on their wintering ground d. on their summering grounds

Question 2

The two groups of ducks in North America are _____ .
 
  a. surface-feeding and bottom-feeding b. migratory and non-migratory
  c. water and terrestrial
  d. lesser and greater


aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Jul 21, 2018
Answer to Question 1

a

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

DNA-based migration routes of Homo sapiens DNA-based migration routes of Homo sapiens
A statue of a corn goddess of the Moche peoples of coastal Peru, around 400 BP. Within several centu A statue of a corn goddess of the Moche peoples of coastal Peru, around 400 BP. Within several centu
Gulf Stream/North Atlantic Current Gulf Stream/North Atlantic Current
North American temperate deciduous forest. Forest soil profile at right. North American temperate deciduous forest. Forest soil profile at right.
Video: Virtual Enzyme Kinetics & Lineweaver Burk Plot

For a complete list of videos, visit our video library