Which of the following is flagellated cell which sweeps water through a sponge's body?

a. choanocyte

b. ameobocyte

c. archaeocyte

d. neuron

e. chondrocyten

Consider seven recessive genes, a, e, d, j, l, y and r. The seven loci are closely linked in the centromeric region of an autosome but their order is unknown. Six deletions are examined in an individual that is heterozygous for all seven genes.

Why must zebras and wildebeests fill different niches on the open plains and woodlands of africa?

When a collision occurs between two reactant particles that, between them, have the required minimum kinetic energy, or activation energy, a product does not always form. Which of the following reasons explains this? A. low temperature B.

Succession is always caused by natural events. a. True b. False

An 8-month-old baby is on supplemental iron. the nurse learns that the baby is fed with broiled chicken liver, mashed hard boiled egg yolk and iron-fortified cereal. what advice should be given to the parents of the baby?

An object has a kinetic energy of 32 J and a mass of 36 kg, how fast is the object moving?

In multicellular eukaryotic organisms, the production of new cells follows a highly regulated sequence of growth, DNA replication, and division. This sequence is referred to as the cell ___, which consists of the G1, S, G2, and M phases.

A 210 gram piece of metal has a volume of 81 cm3. What is the density of this metal?

If you ate a samples of the different carbohydrates seen here, how would the available energy differ from each source and why?

In the disease osteoporosis there is a significant loss of spongy bone. explain how the loss of this specific bone material can weaken a bone.